332354 + Interview Questions in Secondary School in Math

1.	Determine 40 kg: 200 kg and 15 kg: 75 kg are in proportion and write their middle term.
Answer» Answer: 40 : 200 = 4 : 20 = 1 : 5 15 : 75 = 3 : 15 = 1 : 5 40 : 200 :: 15 : 75 1 : 5 :: 1 : 5 5 and 1 are the middle term

1.

Determine 40 kg: 200 kg and 15 kg: 75 kg are in proportion and write their middle term.

Answer»

Answer:

40 : 200 = 4 : 20 = 1 : 5

15 : 75 = 3 : 15 = 1 : 5

40 : 200 :: 15 : 75

1 : 5 :: 1 : 5

5 and 1 are the middle term

Discussion

2.	Put the correct symbol in the box ×250+1 0= 250-1
Answer» ANSWER: uicubuggjgkgkgktktgjkgkgbiibbkbibibibohoorogotiihitibogiijejgitv Step-by-step EXPLANATION: bbjbjbjbjbjjnjnjnjnjnuninniinnin

2.

Put the correct symbol in the box ×250+1 0= 250-1

Answer»

ANSWER:

uicubuggjgkgkgktktgjkgkgbiibbkbibibibohoorogotiihitibogiijejgitv

Step-by-step EXPLANATION:

bbjbjbjbjbjjnjnjnjnjnuninniinnin

Discussion

3.	5 men and 2 women can finish a piece of work in 4 days while 6men and 3 women can finish it in 3 days. Find the time taken by one man alone and that by one women alone to finish the work.
Answer» Step-by-step explanation: SPEED = DISTANCE / time LET the time taken by a ma

3.

5 men and 2 women can finish a piece of work in 4 days while 6men and 3 women can finish it in 3 days. Find the time taken by one man alone and that by one women alone to finish the work.

Answer»

Step-by-step explanation:

SPEED = DISTANCE / time

LET the time taken by a ma

Discussion

4.	Integration of y^2 dx dy
Answer» ANSWER: can't UNDERSTANDING the QUESTION

4.

Integration of y^2 dx dy

Answer»

ANSWER:

can't UNDERSTANDING the QUESTION

Discussion

5.	Based on number of terms of x+5
Answer» Answer: *Mark* me as a *BRAINLIST* *plz. ur one* *Brainlist* *MAKE* me GENIUS rank. Step-by-step EXPLANATION: x+5 this TERM is binomial bcoz it contains 2 terms

5.

Based on number of terms of x+5

Answer»

Answer:

Mark me as a BRAINLIST plz. ur one Brainlist MAKE me GENIUS rank.

Step-by-step EXPLANATION:

x+5 this TERM is binomial bcoz it contains 2 terms

Discussion

6.	Q5. write the following numbers in expanded notation:1. 11,01,9462. 5,67,03,6713. 1,201,5904. 5,500,1895. 23,67,145
Answer» 1. 1000000+0+10000+900+40+6 2.50000000+6000000+700000+0+70+1 3.1000000+200000+0+1000+500+90+0 4. 5000000+500000+0+0+100+80+9 5. 2000000+300000+7000+100+40+5

Discussion

7.	by Doctors advice Ravi reduce 5kg of his weight in 30 days by walking at a uniform speed in a for daily use future 8 kg of his weight is to be reduced that he should walk at the same speed _______ more days... give me the answer for this question
Answer» Answer: (A) 48 Step-by-step EXPLANATION: Here, Weight reduced is directly proportional to days required. Let he should WALK 'x' more days. Therefore, $\frac{30}{5} = \frac{x}{8}$ $x = \frac{30 \times 8}{5}$ $x = 6 \times 8$ $x = 48$ Ans. He should walk at the same SPEED for 48 more days.

7.

by Doctors advice Ravi reduce 5kg of his weight in 30 days by walking at a uniform speed in a for daily use future 8 kg of his weight is to be reduced that he should walk at the same speed _______ more days... give me the answer for this question

Answer»

Answer:

(A) 48

Step-by-step EXPLANATION:

Here,

Weight reduced is directly proportional to days required.

Let he should WALK 'x' more days.

Therefore,

$\frac{30}{5} = \frac{x}{8}$

$x = \frac{30 \times 8}{5}$

$x = 6 \times 8$

$x = 48$

Ans. He should walk at the same SPEED for 48 more days.

Discussion

8.	8.runs; how many more run7. In an election two candidates A and B are the only9,32,567 votes and candidate B scored 9,00,235 votes, by how much marginloose the election ?Find the difference between the largest and the smallest five digit numbers that can beformed using the digits 5, 1, 6, 3 and 2 without repeating any digit,A machine manufactures 5,782 screws every day. How many screws will it manufacture inthe month of April ?10. A man has 7 1,57,184 with him. He placed an order for purchasing 80 articles at * 125each. How much money will remain with him after the purchase ?11. A student multiplied 8,035 by 87 instead of multiplying by 78. By how much was his answergreater than or less than the correct answer ?9.12. Mohani has 30 m cloth and she wants to make some shirts for her son. If each shirt requires2 m 30 cm cloth, how many shirts, in all, can be made and how much length of cloth willbe left ?13. The weight of a box is 4 kg 800 gm. What is the total weight of 150 such boxes ?14. The distance between two places A and B is 3 km 760 m. A boy travels from A to B andthen B to A every day. How much distance does he travel in 8 days ?An oil-tin contains 6 litre and 60 ml oil. How many identical bottles can this oil fill, if capacityof each bottle is 30 ml ?The sale receipt of a company in a certain year was 83 73 540 In the following voor
Answer» ANSWER: otdotdotfitfitfitfird7td85d Step-by-step EXPLANATION: I 4can't eitfoyr06r95r9yf96r9try9fpitpuf600yrt9d8tdtitodoydfoyfyof0yyoduofupfupfu0ufufudupufpuff

8.

8.runs; how many more run7. In an election two candidates A and B are the only9,32,567 votes and candidate B scored 9,00,235 votes, by how much marginloose the election ?Find the difference between the largest and the smallest five digit numbers that can beformed using the digits 5, 1, 6, 3 and 2 without repeating any digit,A machine manufactures 5,782 screws every day. How many screws will it manufacture inthe month of April ?10. A man has 7 1,57,184 with him. He placed an order for purchasing 80 articles at * 125each. How much money will remain with him after the purchase ?11. A student multiplied 8,035 by 87 instead of multiplying by 78. By how much was his answergreater than or less than the correct answer ?9.12. Mohani has 30 m cloth and she wants to make some shirts for her son. If each shirt requires2 m 30 cm cloth, how many shirts, in all, can be made and how much length of cloth willbe left ?13. The weight of a box is 4 kg 800 gm. What is the total weight of 150 such boxes ?14. The distance between two places A and B is 3 km 760 m. A boy travels from A to B andthen B to A every day. How much distance does he travel in 8 days ?An oil-tin contains 6 litre and 60 ml oil. How many identical bottles can this oil fill, if capacityof each bottle is 30 ml ?The sale receipt of a company in a certain year was 83 73 540 In the following voor

Answer»

ANSWER:

otdotdotfitfitfitfird7td85d

Step-by-step EXPLANATION:

I 4can't eitfoyr06r95r9yf96r9try9fpitpuf600yrt9d8tdtitodoydfoyfyof0yyoduofupfupfu0ufufudupufpuff

Discussion

9.	Please solution pleasefind the difference
Answer» Answer: 35/24 Step-by-step explanation: 1 7/8 - 5/12 15/8 - 5/12 LCM of 8 and 12 is 24 Then, {(15 X 3)-(5 X 2)}/24 {45-10}/24 35/24 You can ALSO REFER to the image thank that I have attached. Hope it helps Thank you❤️ Rate ⭐⭐⭐⭐⭐

9.

Please solution pleasefind the difference

Answer»

Answer:

35/24

Step-by-step explanation:

1 7/8 - 5/12

15/8 - 5/12

LCM of 8 and 12 is 24

Then, {(15 X 3)-(5 X 2)}/24

{45-10}/24

35/24

You can ALSO REFER to the image thank

that I have attached.

Hope it helps

Thank you❤️

Rate ⭐⭐⭐⭐⭐

Discussion

10.	What is the ans of this question? Plz explain step by step
Answer» ANSWER: 0.221,0.2222 is the answer

10.

What is the ans of this question? Plz explain step by step

Answer»

ANSWER:

0.221,0.2222 is the answer

Discussion

11.	Find 14 ÷ 5/6whoever will answer the first , I will mark him/her as branliest
Answer» Answer: 14 / 5/6 14* 6/5 84/5 mixed FRACTION = 16 4/5 decimal = 16.8 hope this HELPS

11.

Find 14 ÷ 5/6whoever will answer the first , I will mark him/her as branliest

Answer»

Answer:

14 / 5/6

14* 6/5

84/5

mixed FRACTION = 16 4/5

decimal = 16.8

hope this HELPS

Discussion

12.	राइट द फॉलोइंग नंबर इन एसेंडिंग ऑर्डर - 4 - 5 0 - 8 8
Answer» ❤❤ HEY MATE HERE IS YOUR ANSWER:- -8, -5, -4, 0, 8 HOPE THIS HELPS YOU MATE AND PLEASE MARK ME AS BRAINLY ❤❤

12.

राइट द फॉलोइंग नंबर इन एसेंडिंग ऑर्डर - 4 - 5 0 - 8 8

Answer»

❤❤ HEY MATE HERE IS YOUR ANSWER:-

-8, -5, -4, 0, 8

HOPE THIS HELPS YOU MATE AND PLEASE MARK ME AS BRAINLY ❤❤

Discussion

13.	If there are 89 people in hip- hop dance group and 14 are girls, what is the probability that a person chosen at random will be a boy?
Answer» there are 89 people dance GROUP are 14 is =103

13.

If there are 89 people in hip- hop dance group and 14 are girls, what is the probability that a person chosen at random will be a boy?

Answer»

there are 89 people

dance GROUP are 14 is =103

Discussion

14.	The mean of a sample of 10 electricbulbs was 1456 with a standard deviation of 423 hours. A second sample of 17 bulbs chosen from a different
Answer» Answer: The MEAN of a sample of 10 ELECTRICBULBS was 1456 with a STANDARD DEVIATION of 423 hours.

14.

The mean of a sample of 10 electricbulbs was 1456 with a standard deviation of 423 hours. A second sample of 17 bulbs chosen from a different

Answer»

Answer:

The MEAN of a sample of 10 ELECTRICBULBS was 1456 with a STANDARD DEVIATION of 423 hours.

Discussion

15.	A wheel has a diameter of 15cm.The wheel travels 50 metres. How many complete revolutions does the wheel complete?i already know the answer because i have the marksceme, but it doesn't provide working out. so please explain how you got your answer for brainliest :)))
Answer» Answer: 106 COMPLETE revolution Step-by-step EXPLANATION: DISTANCE s =50m = 5000cm diameter= 15cm radius r= 15/2 cm CIRCUMFERENCE of WHEEL = 2πr = 2×22/7×15/2 = 22×15/7 circumference of wheel = 1 revolution no.of revolutions = distance / circumference of wheel = 5000÷ (22×15/7) = 5000×7/22×15 = 106 complete revolution

15.

A wheel has a diameter of 15cm.The wheel travels 50 metres. How many complete revolutions does the wheel complete?i already know the answer because i have the marksceme, but it doesn't provide working out. so please explain how you got your answer for brainliest :)))

Answer»

Answer:

106 COMPLETE revolution

Step-by-step EXPLANATION:

DISTANCE s =50m = 5000cm

diameter= 15cm

radius r= 15/2 cm

CIRCUMFERENCE of WHEEL = 2πr = 2×22/7×15/2 = 22×15/7

circumference of wheel = 1 revolution

no.of revolutions = distance / circumference of wheel = 5000÷ (22×15/7) = 5000×7/22×15 = 106 complete revolution

Discussion

16.	Find x if 9^x+2=26+3^2x+1
Answer» Given :- $\rm :\longmapsto\: {9}^{x + 2} = 26 + {3}^{2x + 1}$ To FIND :- VALUE of x. Solution :- Given that, $\rm :\longmapsto\: {9}^{x + 2} = 26 + {3}^{2x + 1}$ $\rm :\longmapsto\: {9}^{x} \times {9}^{2} = 26 + {3}^{2x} \times {3}^{1}$ $\rm :\longmapsto\: 81 \times {9}^{x} = 26 + 3 \times {9}^{x}$ $\rm :\longmapsto\: 81 \times {9}^{x} - 3 \times {9}^{x} = 26$ $\rm :\longmapsto\: {9}^{x}(81 - 3) = 26$ $\rm :\longmapsto\: {9}^{x} \times 78 = 26$ $\rm :\longmapsto\: {9}^{x} = \dfrac{26}{78}$ $\rm :\longmapsto\: {9}^{x} = \dfrac{1}{3}$ $\rm :\longmapsto\: {9}^{x} = {3}^{ - 1}$ $\rm :\longmapsto\: {3}^{2x} = {3}^{ - 1}$ $\rm :\longmapsto\:2x = - 1$ $\bf\implies \:x = - \: \dfrac{1}{2}$ Additional Information LAW of EXPONENTS :- $\begin{gathered}(1)\:{\underline{\boxed{\bf{\blue{a^m\times{a^n}\:=\:a^{m\:+\:n}\:}}}}} \\ \end{gathered}$ $\begin{gathered}(2)\:{\underline{\boxed{\bf{\purple{\dfrac{a^m}{a^n}\:=\:a^{m\:-\:n}\:}}}}} \\ \end{gathered}$ $\begin{gathered}(3)\:{\underline{\boxed{\bf{\orange{\dfrac{1}{x^n}\:=\:x^{-n}\:}}}}} \\ \end{gathered}$ $\begin{gathered}(4)\:{\underline{\boxed{\bf{\color{peru}{(a^m)^n\:=\:a^{m\times{n}}\:}}}}} \\ \end{gathered}$ $\begin{gathered}(5)\:{\underline{\boxed{\bf{\red{ {x}^{0} = 1}}}}} \\ \end{gathered}$ $\begin{gathered}(6)\:{\underline{\boxed{\bf{\green{ {a}^{m} = {a}^{n} \implies \: m = n}}}}} \\ \end{gathered}$

16.

Find x if 9^x+2=26+3^2x+1

Answer»

Given :-

$\rm :\longmapsto\: {9}^{x + 2} = 26 + {3}^{2x + 1}$

To FIND :-

VALUE of x.

Solution :-

Given that,

$\rm :\longmapsto\: {9}^{x + 2} = 26 + {3}^{2x + 1}$

$\rm :\longmapsto\: {9}^{x} \times {9}^{2} = 26 + {3}^{2x} \times {3}^{1}$

$\rm :\longmapsto\: 81 \times {9}^{x} = 26 + 3 \times {9}^{x}$

$\rm :\longmapsto\: 81 \times {9}^{x} - 3 \times {9}^{x} = 26$

$\rm :\longmapsto\: {9}^{x}(81 - 3) = 26$

$\rm :\longmapsto\: {9}^{x} \times 78 = 26$

$\rm :\longmapsto\: {9}^{x} = \dfrac{26}{78}$

$\rm :\longmapsto\: {9}^{x} = \dfrac{1}{3}$

$\rm :\longmapsto\: {9}^{x} = {3}^{ - 1}$

$\rm :\longmapsto\: {3}^{2x} = {3}^{ - 1}$

$\rm :\longmapsto\:2x = - 1$

$\bf\implies \:x = - \: \dfrac{1}{2}$

Additional Information

LAW of EXPONENTS :-

$\begin{gathered}(1)\:{\underline{\boxed{\bf{\blue{a^m\times{a^n}\:=\:a^{m\:+\:n}\:}}}}} \\ \end{gathered}$

$\begin{gathered}(2)\:{\underline{\boxed{\bf{\purple{\dfrac{a^m}{a^n}\:=\:a^{m\:-\:n}\:}}}}} \\ \end{gathered}$

$\begin{gathered}(3)\:{\underline{\boxed{\bf{\orange{\dfrac{1}{x^n}\:=\:x^{-n}\:}}}}} \\ \end{gathered}$

$\begin{gathered}(4)\:{\underline{\boxed{\bf{\color{peru}{(a^m)^n\:=\:a^{m\times{n}}\:}}}}} \\ \end{gathered}$

$\begin{gathered}(5)\:{\underline{\boxed{\bf{\red{ {x}^{0} = 1}}}}} \\ \end{gathered}$

$\begin{gathered}(6)\:{\underline{\boxed{\bf{\green{ {a}^{m} = {a}^{n} \implies \: m = n}}}}} \\ \end{gathered}$

Discussion

17.	Write any three rational numbers
Answer» Answer: 1, 2, 3, 4, 5, 6, 7, 8, 9 are all RATIONAL NUMBERS

17.

Write any three rational numbers

Answer»

Answer:

1, 2, 3, 4, 5, 6, 7, 8, 9 are all RATIONAL NUMBERS

Discussion

18.	Two persons could fit new windows in a house in 3 days.(i) One of the persons fells ill before the work started. How long would the job takenow ?(ii) How many persons would be needed to fit the window in one day?
Answer» HOPE it HELPS you plz make my ANSWER as brilliant

18.

Two persons could fit new windows in a house in 3 days.(i) One of the persons fells ill before the work started. How long would the job takenow ?(ii) How many persons would be needed to fit the window in one day?

Answer»

HOPE it HELPS you

plz make my ANSWER as brilliant

Discussion

19.	(i) 5+4 = 9, which is an integer.
Answer» Answer: 4,5 and 9 are all INTEGERS

19.

(i) 5+4 = 9, which is an integer.

Answer»

Answer:

4,5 and 9 are all INTEGERS

Discussion

20.	(-2/3 x3/ 5 + 5 /2 - 3/5x1/6)
Answer» ANSWER: the answer of this QUESTION is 2

20.

(-2/3 x3/ 5 + 5 /2 - 3/5x1/6)

Answer»

ANSWER:

the answer of this QUESTION is 2

Discussion

21.	(1/√7+√5-1/√7-√5)(1/4-√5+1/4+√5)simplify
Answer» Answer: 71/8 = 8.75 Step-by-step EXPLANATION: if it is helpful PLEASE SET me as BRILLIANT please

21.

(1/√7+√5-1/√7-√5)(1/4-√5+1/4+√5)simplify

Answer»

Answer:

71/8 = 8.75

Step-by-step EXPLANATION:

if it is helpful

PLEASE SET me as BRILLIANT please

Discussion

22.	Find the value of 36^1/2
Answer» Answer: 6 Step-by-step EXPLANATION: ${36}^{\frac{1}{2} } = \sqrt{36} = 6$ USE FOLLOWING IDENTITY: ${a}^{ \frac{1}{x} } = \sqrt[x]{a}$

22.

Find the value of 36^1/2

Answer»

Answer:

6

Step-by-step EXPLANATION:

${36}^{\frac{1}{2} } = \sqrt{36} = 6$

USE FOLLOWING IDENTITY:

${a}^{ \frac{1}{x} } = \sqrt[x]{a}$

Discussion

23.	The students of a class arranged a picnic. Each student contributed as many rupees as the numberof students in the class. If the total contribution is 1156, find the strength of the class.
Answer» ANSWER is root of 1156=34

23.

The students of a class arranged a picnic. Each student contributed as many rupees as the numberof students in the class. If the total contribution is 1156, find the strength of the class.

Answer»

ANSWER is

root of 1156=34

Discussion

24.	0÷(-13)answer it by explanation solution
Answer» Answer: 0 Step-by-step EXPLANATION: ANYTHING DIVIDED by 0 is 0 THUS -13/0= 0

24.

0÷(-13)answer it by explanation solution

Answer»

Answer:

0

Step-by-step EXPLANATION:

ANYTHING DIVIDED by 0 is 0 THUS -13/0= 0

Discussion

25.	A x ( b+ c ) = a x b + a x c is distributive property of multiplication over addition.
Answer» ANSWER: a×(b+c)=a×b+a×c is a DISTRIBUTIVE PROPERTY of MULTIPLICATION over ADDITION.

25.

A x ( b+ c ) = a x b + a x c is distributive property of multiplication over addition.

Answer»

ANSWER:

a×(b+c)=a×b+a×c is a DISTRIBUTIVE PROPERTY of MULTIPLICATION over ADDITION.

Discussion

26.	The tree is shedding-------------- leaves
Answer» Answer: the Step-by-step EXPLANATION: the tree is SHEDDING the leaves hope it HELP you mark me as brain LIST

26.

The tree is shedding-------------- leaves

Answer»

Answer:

the

Step-by-step EXPLANATION:

the tree is SHEDDING the leaves

hope it HELP you

mark me as brain LIST

Discussion

27.	Simplify: (a – b)(c – d) + (a – b)(c + d) + 2(ac + bd).
Answer» Answer: AC - ad - BC + BD + ac + ad - bc -BD +2ac + 2 bd => 2( 2ac + bd - bc)

27.

Simplify: (a – b)(c – d) + (a – b)(c + d) + 2(ac + bd).

Answer»

Answer:

AC - ad - BC + BD + ac + ad - bc -BD +2ac + 2 bd

=> 2( 2ac + bd - bc)

Discussion

28.	Lest the objective of the classification
Answer» Step-by-step explanation: The principal OBJECTIVES of classifying the DATA are : To condense the mass of data in such a manner that similarities and dissimilarities can be READILY apprehended. Millions of figures can thus be ARRANGED in a few classes having common features. To FACILITATE comparison.

28.

Lest the objective of the classification

Answer»

Step-by-step explanation:

The principal OBJECTIVES of classifying the DATA are : To condense the mass of data in such a manner that similarities and dissimilarities can be READILY apprehended. Millions of figures can thus be ARRANGED in a few classes having common features. To FACILITATE comparison.

Discussion

29.	(v) \|x= - x, if x < 0.
Answer» Answer: FORYOU my account profile VIRAL and FOLLOWING

29.

(v) |x= - x, if x < 0.

Answer»

Answer:

FORYOU my account profile VIRAL and FOLLOWING

Discussion

30.	Find a quadratic polynomial the sum and product of whose zeroes are -3 and 2 respectively
Answer» Step-by-step explanation: GIVEN:- ZEROES are -3 and 2 To find:- Find a quadratic polynomial the SUM and product of whose zeroes are -3 and 2 respectively ? Solution:- Given zeroes are -3 and 2 Let they be α = -3 and β = 2 Now we know that The quadratic polynomial of the zeroes α and β is K[x^2-(α + β ) x + α β ] On Substituting these VALUES in the above formula => K[x^2-(-3+2)x+(-3×2)] => K [x^2 -(-1)x+(-6)] => K[x^2+x-6] If K = 1 then the required Polynomial is x^2+x-6 Answer:- The required quadratic polynomial whose zeroes are -3 and 2 is x^2+x-6 Used formula:- The quadratic polynomial of the zeroes α and β is K[x^2-(α + β ) x + α β ] .

30.

Find a quadratic polynomial the sum and product of whose zeroes are -3 and 2 respectively

Answer»

Step-by-step explanation:

GIVEN:-

ZEROES are -3 and 2

To find:-

Find a quadratic polynomial the SUM and product of whose zeroes are -3 and 2 respectively ?

Solution:-

Given zeroes are -3 and 2

Let they be α = -3 and β = 2

Now we know that

The quadratic polynomial of the zeroes α and β is

K[x^2-(α + β ) x + α β ]

On Substituting these VALUES in the above formula

=> K[x^2-(-3+2)x+(-3×2)]

=> K [x^2 -(-1)x+(-6)]

=> K[x^2+x-6]

If K = 1 then the required Polynomial is x^2+x-6

Answer:-

The required quadratic polynomial whose zeroes are -3 and 2 is x^2+x-6

Used formula:-

The quadratic polynomial of the zeroes α and β is K[x^2-(α + β ) x + α β ] .

Discussion

31.	justine is paid 20 pesos whenever the results of tossing two coins are both heads but pays 10 pesos whenever the results are not both heads. what is her expected gain per toss?
Answer» Answer: 20 pesos whenever the RESULTS of TOSSING two COINS are both HEADS but PAYS 10 pesos whenever the results are not both heads.

31.

justine is paid 20 pesos whenever the results of tossing two coins are both heads but pays 10 pesos whenever the results are not both heads. what is her expected gain per toss?

Answer»

Answer:

20 pesos whenever the RESULTS of TOSSING two COINS are both HEADS but PAYS 10 pesos whenever the results are not both heads.

Discussion

32.	Which one of the following is measured in square metre1-handkerchief2-sari3-total land of a city
Answer» ANSWER :-: C. Total LAND of a city is measured in ${m}^{2}$ Mark As BRAINLIEST

32.

Which one of the following is measured in square metre1-handkerchief2-sari3-total land of a city

Answer»

ANSWER :-:

C. Total LAND of a city is measured in

${m}^{2}$

Mark As BRAINLIEST

Discussion

33.	Find the value of x + y if 4x + 3y= 8 and 3x + 4y = 6. *
Answer» Here's your ANSWER.. HOPE it HELPS you..

33.

Find the value of x + y if 4x + 3y= 8 and 3x + 4y = 6. *

Answer»

Here's your ANSWER..

HOPE it HELPS you..

Discussion

34.	7. If cosec A = sec 34° then find Atr
Answer» Answer: 56° Step-by-step explanation: COSEC A = SEC 34° 1 = 1 sin A COS 34° sin A = cos 34° sin A = sin(90°-34°) A = 90°-34° A = 56°

34.

7. If cosec A = sec 34° then find Atr

Answer»

Answer:

56°

Step-by-step explanation:

COSEC A = SEC 34°

1 = 1

sin A COS 34°

sin A = cos 34°

sin A = sin(90°-34°)

A = 90°-34°

A = 56°

Discussion

35.	3)Sujata left home at 6.30 pm and returned at 11.00 am, next day. How muchtime did she spend away from home? ans with example
Answer» Answer: 16 HOURS 30 minutes Step-by-step explanation: 12:00 - 06:30 + 11:00 = 05:30 + 11:00 = 16:30

35.

3)Sujata left home at 6.30 pm and returned at 11.00 am, next day. How muchtime did she spend away from home? ans with example

Answer»

Answer:

16 HOURS 30 minutes

Step-by-step explanation:

12:00 - 06:30 + 11:00 = 05:30 + 11:00

= 16:30

Discussion

36.	Write the coefficient of x in minus ➖6xy
Answer» Answer: COEFFICIENT of X is 1 and that of -6xy is -6 . Step-by-step explanation: I HOPE this is HELPFUL

36.

Write the coefficient of x in minus ➖6xy

Answer»

Answer:

COEFFICIENT of X is 1 and that of -6xy is -6 .

Step-by-step explanation:

I HOPE this is HELPFUL

Discussion

37.	Y Mr. Amar invested Rs 1,20.480/- to buy equity shares of a companyat market price of Rs. 480 /- at 0.4 % brokerage. Find the No. ofshares he purchased.
Answer» ANSWER: HI BRO SORRY I didn't KNOW know this amswer Step-by-step explanation: 123456788qw

37.

Y Mr. Amar invested Rs 1,20.480/- to buy equity shares of a companyat market price of Rs. 480 /- at 0.4 % brokerage. Find the No. ofshares he purchased.

Answer»

ANSWER:

HI BRO SORRY I didn't KNOW know this amswer

Step-by-step explanation:

123456788qw

Discussion

38.	Which equation has a solution of 2/9?a. (2x+9)(x+2)=0b. (9x+2)(x-2)=0c. (9x-2)(x+9)=0d. (2x-9)(x-9)=0
Answer» GIVEN :- A) ( 2x + 9 ) ( x + 2 = 0 B) (9x+2)(x-2)=0 C) (9x-2)(x+9)=0 D) (2x-9)(x-9)=0 ______________________ TO FIND :- Which EQUATION has a solution of 2/9? ______________________ SOLUTION :- 1ST (A) SOLUTION IS = 25 = - 2/1 2ND (B) SOLUTION IS = 200 = 2/1 3RD (C) SOLUTION IS = 6889 = 2/9 4TH (D) SOLUTION IS = 81 = 9/1 ______________________ HENCE OPTION →C← IS CORRECT ✔

38.

Which equation has a solution of 2/9?a. (2x+9)(x+2)=0b. (9x+2)(x-2)=0c. (9x-2)(x+9)=0d. (2x-9)(x-9)=0

Answer»

GIVEN :-

A) ( 2x + 9 ) ( x + 2 = 0

B) (9x+2)(x-2)=0

C) (9x-2)(x+9)=0

D) (2x-9)(x-9)=0

______________________

TO FIND :-

Which EQUATION has a solution of 2/9?

______________________

SOLUTION :-

1ST (A) SOLUTION IS = 25 = - 2/1

2ND (B) SOLUTION IS = 200 = 2/1

3RD (C) SOLUTION IS = 6889 = 2/9

4TH (D) SOLUTION IS = 81 = 9/1

______________________

HENCE OPTION →C← IS CORRECT ✔

Discussion

39.	Question 11a) metallic cylinder of radius 6cm and height 11cm is melted and recast into small cones, each of radius 2cm and height 2cm. Find the number of cones that can be formed
Answer» SOLUTION To Question ID 577919 play-icon Answer Correct option is A 72 Let NUMBER of cones =n Volume of cones = Volume of sphere 3 1 πr 2 h×n= 3 4 πr 3 n× 3 1 π×2 2 ×3= 3 4 π×6 3 n= 3 216 n=72 Hence, no. of cones =72

39.

Question 11a) metallic cylinder of radius 6cm and height 11cm is melted and recast into small cones, each of radius 2cm and height 2cm. Find the number of cones that can be formed

Answer»

SOLUTION To Question ID 577919

play-icon

Answer

Correct option is

A

72

Let NUMBER of cones =n

Volume of cones = Volume of sphere

3

1

πr

2

h×n=

3

4

πr

3

n×

3

1

π×2

2

×3=

3

4

π×6

3

n=

3

216

n=72

Hence, no. of cones =72

Discussion

40.	From the rational numbers given below,encircle these numbers which are alsoan integer1, 2, 5, 4, 9, 3, 8, 6, 7, 7 , 4 , 2 , 4 , 5, 2010
Answer» ANSWER: YES Step-by-step explanation: whole number together with it negatives are called integers eg.1,2,3,4,5 -1,-2,-3,-4,-5

40.

From the rational numbers given below,encircle these numbers which are alsoan integer1, 2, 5, 4, 9, 3, 8, 6, 7, 7 , 4 , 2 , 4 , 5, 2010

Answer»

ANSWER:

YES

Step-by-step explanation:

whole number together with it negatives are called integers eg.1,2,3,4,5 -1,-2,-3,-4,-5

Discussion

41.	What is the cost of 60 apples at Rs 3/Apple?
Answer» Answer: 180 Step-by-step explanation: 60 ×3=180 sixty MULTIPLY by THREE = ONE HUNDRED EIGHTY

41.

What is the cost of 60 apples at Rs 3/Apple?

Answer»

Answer:

180

Step-by-step explanation:

60 ×3=180

sixty MULTIPLY by THREE = ONE HUNDRED EIGHTY

Discussion

42.	Y2-15y-54=0 quadratic equation
Answer» ANSWER: HOPE the answer will be HELPFUL .

42.

Y2-15y-54=0 quadratic equation

Answer»

ANSWER:

HOPE the answer will be HELPFUL .

Discussion

43.	6th term of gp 1/2,1/4,1/8,....is
Answer» Answer: 1/64 Step-by-step explanation: 1/2,1/4,1/8,... a=1/2 r=1/2 We KNOW that Geometric series a,ar¹,ar²,ar³,ar⁴,... 1/2,1/4,1/8,1/16,1/32,1/64,1/128,...

43.

6th term of gp 1/2,1/4,1/8,....is

Answer»

Answer:

1/64

Step-by-step explanation:

1/2,1/4,1/8,...

a=1/2

r=1/2

We KNOW that

Geometric series

a,ar¹,ar²,ar³,ar⁴,...

1/2,1/4,1/8,1/16,1/32,1/64,1/128,...

Discussion

44.	Fill in the blanks : (- 84) ÷ ----- = ( - 12 ) 1️⃣ (- 7) 2️⃣ 7 3️⃣ (-9 ) 4️⃣ 9
Answer» Step-by-step EXPLANATION: I HOPE 5 is the CORRECT FOLLOW

44.

Fill in the blanks : (- 84) ÷ ----- = ( - 12 ) 1️⃣ (- 7) 2️⃣ 7 3️⃣ (-9 ) 4️⃣ 9

Answer»

Step-by-step EXPLANATION:

I HOPE 5 is the CORRECT FOLLOW

Discussion

45.	If (A+B) ka 15%=(A-B)ka 25%ho to B Ka Kitna Percentage A ke brabar hai
Answer» Step-by-step explanation: Stars are not scattered randomly through space, they are gathered TOGETHER into vast GROUPS known as galaxies. The Sun belongs to a galaxy called the Milky WAY. Astronomers estimate there are about 100 thousand million stars in the Milky Way alone. Outside that, there are MILLIONS UPON millions of other galaxies also!

45.

If (A+B) ka 15%=(A-B)ka 25%ho to B Ka Kitna Percentage A ke brabar hai

Answer»

Step-by-step explanation:

Stars are not scattered randomly through space, they are gathered TOGETHER into vast GROUPS known as galaxies. The Sun belongs to a galaxy called the Milky WAY. Astronomers estimate there are about 100 thousand million stars in the Milky Way alone. Outside that, there are MILLIONS UPON millions of other galaxies also!

Discussion

46.	Why are boys better than girls
Answer» ANSWER: there is no such quotation that boys are better than girls. where did you FIND this kind of CONTROVERSIAL sentence? Step-by-step explanation: and let me tell you one THING nature has made everyone equal both males and females.... it is our point of view that we think that boys are better than girls....

46.

Why are boys better than girls

Answer»

ANSWER:

there is no such quotation that boys are better than girls.

where did you FIND this kind of CONTROVERSIAL sentence?

Step-by-step explanation:

and let me tell you one THING

nature has made everyone equal both males and females....

it is our point of view that we think that boys are better than girls....

Discussion

47.	The breadth of a room is twise its height, one half of its length and the volume of the room is 512 dm³. Find its dimensions.
Answer» Answer: I *HOPE* it is *HELPFUL* *and* *MAKE* me *Brianlist* Step-by-step EXPLANATION: We have, L = 16m b = 8m h = 4mRead more on Sarthaks.com - https://www.sarthaks.com/115547/the-breadth-room-twice-height-half-length-and-the-volume-the-room-512cu-find-its-dimensions

47.

The breadth of a room is twise its height, one half of its length and the volume of the room is 512 dm³. Find its dimensions.

Answer»

Answer:

I HOPE it is HELPFUL and MAKE me Brianlist

Step-by-step EXPLANATION:

We have, L = 16m b = 8m h = 4mRead more on Sarthaks.com - https://www.sarthaks.com/115547/the-breadth-room-twice-height-half-length-and-the-volume-the-room-512cu-find-its-dimensions

Discussion

48.	Find co ordinates of the pole of the straight line x+y+2=0 with respect to circle x^+y^-4x+6y+2=0
Answer» Answer: Find CO ORDINATES of the POLE of the straight LINE x+y+2=0 with respect to CIRCLE x^+y^-4x+6y+2=0

48.

Find co ordinates of the pole of the straight line x+y+2=0 with respect to circle x^+y^-4x+6y+2=0

Answer»

Answer:

Find CO ORDINATES of the POLE of the straight LINE x+y+2=0 with respect to CIRCLE x^+y^-4x+6y+2=0

Discussion

49.	In 1,89,485, How many times the value of 8 in the tens place is the value of 8 in the ten thousands place? Is it 3 or something else ?
Answer» ANSWER: vocdxucixyxigvocu,yc Step-by-step EXPLANATION: vzuxigzyzuf ogydzfifd

49.

In 1,89,485, How many times the value of 8 in the tens place is the value of 8 in the ten thousands place? Is it 3 or something else ?

Answer»

ANSWER:

vocdxucixyxigvocu,yc

Step-by-step EXPLANATION:

vzuxigzyzuf ogydzfifd

Discussion

50.	Please help me by calculating this
Answer» ANSWER: $2 {2}^{?} 3 {6 { {1}^{?} }^{2} }^{?}$ Step-by-step EXPLANATION: $8 {181322}^{?} { {00212 \frac{?}{?} }^{?} }^{2}$

50.

Please help me by calculating this

Answer»

ANSWER:

$2 {2}^{?} 3 {6 { {1}^{?} }^{2} }^{?}$

Step-by-step EXPLANATION:

$8 {181322}^{?} { {00212 \frac{?}{?} }^{?} }^{2}$

Discussion

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Which equation has a solution of 2/9?a. (2x+9)(x+2)=0b. (9x+2)(x-2)=0c. (9x-2)(x+9)=0d. (2x-9)(x-9)=0

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A) ( 2x + 9 ) ( x + 2 = 0

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______________________

TO FIND :-

Which EQUATION has a solution of 2/9?

______________________

SOLUTION :-

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2ND (B) SOLUTION IS = 200 = 2/1

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4TH (D) SOLUTION IS = 81 = 9/1

______________________

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Two persons could fit new windows in a house in 3 days.(i) One of the persons fells ill before the work started. How long would the job takenow ?(ii) How many persons would be needed to fit the window in one day?

(i) 5+4 = 9, which is an integer.

(-2/3 x3/ 5 + 5 /2 - 3/5x1/6)

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Find the value of 36^1/2

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0÷(-13)answer it by explanation solution

A x ( b+ c ) = a x b + a x c is distributive property of multiplication over addition.

The tree is shedding-------------- leaves

Lest the objective of the classification

(v) |x= - x, if x < 0.

Find a quadratic polynomial the sum and product of whose zeroes are -3 and 2 respectively

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Fill in the blanks : (- 84) ÷ ----- = ( - 12 ) 1️⃣ (- 7) 2️⃣ 7 3️⃣ (-9 ) 4️⃣ 9