332354 + Interview Questions in Secondary School in Math

1.	5(x+1)-(x-18)=11 slove the equation
Answer» ANSWER: i HOPE it is CORRECT answer

1.

5(x+1)-(x-18)=11 slove the equation

Answer»

ANSWER:

i HOPE it is CORRECT answer

Discussion

2.	Prime factorization of 148.
Answer» Answer: 148=2×2×37 HOPE THIS WILL HELP YOU

2.

Prime factorization of 148.

Answer»

Answer:

148=2×2×37

HOPE THIS WILL HELP YOU

Discussion

3.	State true or false 35 belongs to x has exactly for positive integersfalse
Answer» The factor of 35 is 1,5,7 and 35 . So, 35 is an ELEMENT of the set. HENCE, the statement is true. Hope this will HELP........☺️

3.

State true or false 35 belongs to x has exactly for positive integersfalse

Answer»

The factor of 35 is 1,5,7 and 35 . So, 35 is an ELEMENT of the set.

HENCE, the statement is true.

Hope this will HELP........☺️

Discussion

4.	Please give me the solution... question no 2
Answer» Answer: I KNOW generally the answer to these question is 1 But STILL.... Your POUT is too annoying ಠ_ಠ Sry

4.

Please give me the solution... question no 2

Answer»

Answer:

I KNOW generally the answer to these question is 1

But STILL....

Your POUT is too annoying ಠ_ಠ

Sry

Discussion

5.	पूणर वर्ग विधि से हल करें2x-5x+ 3=0
Answer» ANSWER: x=1 Step-by-step explanation: 2x-5x+3=0 -3x+3=0 3=3x x=1 PLEASE MARK MY ANSWER AS THE BRAINLIEST

5.

पूणर वर्ग विधि से हल करें2x-5x+ 3=0

Answer»

ANSWER:

x=1

Step-by-step explanation:

2x-5x+3=0

-3x+3=0

3=3x

x=1

PLEASE MARK MY ANSWER AS THE BRAINLIEST

Discussion

6.	The number which is divisible by 13 and 7
Answer» 1092 is the SMALLEST number which is divisible by 13 and 7. Follow MEE guys! ❣️❣️

6.

The number which is divisible by 13 and 7

Answer»

1092 is the SMALLEST number which is divisible by 13 and 7.

Follow MEE guys! ❣️❣️

Discussion

7.	Help me:'(Please Answer ASAP
Answer» ANSWER is (C)......… Mark my answer as the BRAINIEST.

7.

Help me:'(Please Answer ASAP

Answer»

ANSWER is (C)......…

Mark my answer as the BRAINIEST.

Discussion

8.	A black and a red dice are rolled find the conditional probability of obtaining the sum 8,given that the red dice resulted in a number less than 4answer me plz
Answer» Step-by-step EXPLANATION: ANSWER is 4. Hope it is HELPFUL.

8.

A black and a red dice are rolled find the conditional probability of obtaining the sum 8,given that the red dice resulted in a number less than 4answer me plz

Answer»

Step-by-step EXPLANATION:

ANSWER is 4.

Hope it is HELPFUL.

Discussion

9.	Denial of a statement is called its .........
Answer» ANSWER: Here is my answer Denial of a STATEMENT is CALLED its NEGATION.

9.

Denial of a statement is called its .........

Answer»

ANSWER:

Here is my answer

Denial of a STATEMENT is CALLED its NEGATION.

Discussion

10.	Factorise a cube - 5(root 5)b cube
Answer» *ANSWER IS IN THE PHOTO CHECK!!!!!!!*

10.

Factorise a cube - 5(root 5)b cube

Answer»

ANSWER IS IN THE PHOTO CHECK!!!!!!!

Discussion

11.	Bricsmath Class 8 ...Please solve this...
Answer» ANSWER: you answer is 168332 *please* *MARK it as the BRAINLIEAST answer* *and FOLLOW me*

11.

Bricsmath Class 8 ...Please solve this...

Answer»

ANSWER:

you answer is 168332

please MARK it as the BRAINLIEAST answer and FOLLOW me

Discussion

12.	Ab, (a-b) find the product
Answer» Answer: i think the answer is INCOMPLETE . Or it's has anistake it .. please check it again.. HOPE it HELPS MARK it as brainalist

12.

Ab, (a-b) find the product

Answer»

Answer: i think the answer is INCOMPLETE . Or it's has anistake it .. please check it again..

HOPE it HELPS

MARK it as brainalist

Discussion

13.	Answer this question,part 1
Answer» Step-by-step explanation: 25x^2-64y^2 =(5X)^2-(8Y)^2 =(5x+8y)(5x-8y) *HOPE it HELPED you*.

13.

Answer this question,part 1

Answer»

Step-by-step explanation:

25x^2-64y^2

=(5X)^2-(8Y)^2

=(5x+8y)(5x-8y)

HOPE it HELPED you.

Discussion

14.	5 men can produce 27 baskets in 60 minute, how many baskets would 15 men manufacture in 40 minute???
Answer» 5/15= 27/x 5 x = 27 x 15 5 x = 405 x = 81 BASKETS in 60 min In 40 min , 81÷3=27 27 x 2 = 54 baskets is the answer Pls like and mark me as brainliest

14.

5 men can produce 27 baskets in 60 minute, how many baskets would 15 men manufacture in 40 minute???

Answer»

5/15= 27/x

5 x = 27 x 15

5 x = 405

x = 81 BASKETS in 60 min

In 40 min ,

81÷3=27

27 x 2 = 54 baskets is the answer

Pls like and mark me as brainliest

Discussion

15.	The sum of two rational numbers is -5 if one of the number is 2 by 3 find the other
Answer» Lets SAY that the REQUIRED RATIONAL number is 'x'. Then, ACCORDINGTO the QUESTION, x+2/3=-5 x=-5-2/3=-15/3-2/3=-17/3 So, the answer is -17/3.

15.

The sum of two rational numbers is -5 if one of the number is 2 by 3 find the other

Answer»

Lets SAY that the REQUIRED RATIONAL number is 'x'.

Then, ACCORDINGTO the QUESTION,

x+2/3=-5

x=-5-2/3=-15/3-2/3=-17/3

So, the answer is -17/3.

Discussion

16.	8. 25% means ---------parts out of 100
Answer» here is UR ANSWER 8.25/100 ×100 = 8.25 hence it MEANS 8.25 PARTS out of 100. hope it HELPS. ☆☆☆

16.

8. 25% means ---------parts out of 100

Answer»

here is UR ANSWER

8.25/100 ×100 = 8.25

hence it MEANS 8.25 PARTS out of 100.

hope it HELPS.

☆☆☆

Discussion

17.	18. An aquarium contains gold fishes and guppies. The number of guppies is 5/2 timesthe number of gold fishes. If the total number of fishes is 49. find the number of guppies?
Answer» ANSWER: I THINK 50 is the answer .

17.

18. An aquarium contains gold fishes and guppies. The number of guppies is 5/2 timesthe number of gold fishes. If the total number of fishes is 49. find the number of guppies?

Answer»

ANSWER:

I THINK 50 is the answer .

Discussion

18.	Who is father of statistics
Answer» ANSWER: The father of STATISTICS is Sir RONALD Fisher

18.

Who is father of statistics

Answer»

ANSWER:

The father of STATISTICS is Sir RONALD Fisher

Discussion

19.	Write the roster and set dillder fo less than 20
Answer» Answer: (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19) Step-by-step explanation: (X=x:BELONGS to N where x<20)

19.

Write the roster and set dillder fo less than 20

Answer»

Answer:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19)

Step-by-step explanation:

(X=x:BELONGS to N where x<20)

Discussion

20.	Remove two digit from each numberthat you get largest number955 71 + 49134 + 23627
Answer» Answer: 95571=955 49134=491 23627=236 the LARGEST NUMBER is 955 Step-by-step explanation: I THINK it's help you mark me as BRAINLIST and followed me

20.

Remove two digit from each numberthat you get largest number955 71 + 49134 + 23627

Answer»

Answer:

95571=955

49134=491

23627=236

the LARGEST NUMBER is 955

Step-by-step explanation:

I THINK it's help you

mark me as BRAINLIST and followed me

Discussion

21.	सभी 68 तक की प्राकृतिक संख्याओं का योग क्या है?
Answer» Answer: 2346 Step-by-step EXPLANATION: PLEASE MARK as a RESULT

21.

सभी 68 तक की प्राकृतिक संख्याओं का योग क्या है?

Answer»

Answer:

2346

Step-by-step EXPLANATION:

PLEASE MARK as a RESULT

Discussion

22.	Possible outcomes when 3 dice are thrown at once what aer they
Answer» ANSWER: I can not UNDERSTAND your QUESTIONS

22.

Possible outcomes when 3 dice are thrown at once what aer they

Answer»

ANSWER:

I can not UNDERSTAND your QUESTIONS

Discussion

23.	Write all subsets of 0
Answer» the SUBSETS of 0 are 0,and { }.

Discussion

24.	Name of the property a.(-17/18)+(16/19)=(16/19)/+(-17/18)
Answer» ANSWER: COMMUNICATIVE PROPERTY

24.

Name of the property a.(-17/18)+(16/19)=(16/19)/+(-17/18)

Answer»

ANSWER:

COMMUNICATIVE PROPERTY

Discussion

25.	Find the no. of sides of a polygon if the su. of the interior angle is -a) 10 right angles b) 1620 degreesc) 540 degrees
Answer» The ANSWER is the OPTION A. Please follow me and LIKE me then I will MARK you as a brainlist

25.

Find the no. of sides of a polygon if the su. of the interior angle is -a) 10 right angles b) 1620 degreesc) 540 degrees

Answer»

The ANSWER is the OPTION A.

Please follow me and LIKE me then I will MARK you as a brainlist

Discussion

26.	2log ✓2 .......................
Answer» Answer: SORRY BRO this question is IMPOSSIBLE your question is incorrect please CHECK your question sorry once again

26.

2log ✓2 .......................

Answer»

Answer:

SORRY BRO this question is IMPOSSIBLE your question is incorrect please CHECK your question sorry once again

Discussion

27.	Find the time taken by a 240 foot roller coaster moving at 56 ft/sec to pass through a 40 foot tunnel
Answer» class KON SA hai BRO. batana YAAR tab ANSWER doonga

27.

Find the time taken by a 240 foot roller coaster moving at 56 ft/sec to pass through a 40 foot tunnel

Answer»

class KON SA hai BRO. batana YAAR tab ANSWER doonga

Discussion

28.	Example of divisibility by 40
Answer» Step-by-step EXPLANATION: If the LAST digit in the number is 0, then the result will be the REMAINING digits multiplied by 2. For example, the number 40 ENDS in a ZERO (0), so take the remaining digits (4) and multiply that by two (4 × 2 = 8).

28.

Example of divisibility by 40

Answer»

Step-by-step EXPLANATION:

If the LAST digit in the number is 0, then the result will be the REMAINING digits multiplied by 2. For example, the number 40 ENDS in a ZERO (0), so take the remaining digits (4) and multiply that by two (4 × 2 = 8).

Discussion

29.	Solve the linear equation of 3(x+4) = 21
Answer» 3(x+4)=21; x+4=21/3=7; x=7-4=3; Please MARK the answer as BRAINLIEST.

Discussion

30.	Possible outcomes when 3 dice are thrown at once
Answer» Answer: *There* *are* 216 *possible* outcomes when we throw 3 dice. Hope it HELPS you**.

30.

Possible outcomes when 3 dice are thrown at once

Answer»

Answer:

There are 216 possible outcomes when we throw 3 dice.

Hope it HELPS you.

Discussion

31.	Remove two digit rom each numberthat you get largest number95571 + 49134 + 23628
Answer» Answer: I THINK answer is 955,491,236 So, 955+491+236=1682 HOPE my answer is CORRECT Hope, THUS answer helps you !!!!

31.

Remove two digit rom each numberthat you get largest number95571 + 49134 + 23628

Answer»

Answer:

I THINK answer is

955,491,236

So, 955+491+236=1682

HOPE my answer is CORRECT

Hope, THUS answer helps you !!!!

Discussion

32.	What will be the remainder when 3x^2-2x+1 is divided by x+5
Answer» Answer: Step-by-step explanation: if QUOTIENT = 3X 2 −2x+1, remainder = 2x−5 and divisor = x+2, then the DIVIDEND is:

32.

What will be the remainder when 3x^2-2x+1 is divided by x+5

Answer»

Answer:

Step-by-step explanation:

if QUOTIENT = 3X

2

−2x+1, remainder = 2x−5 and divisor = x+2, then the DIVIDEND is:

Discussion

33.	(4x³-7x²+5x-4) from (6-5x+6x²-8x³)
Answer» ANSWER: CHECK your QUESTION once again

33.

(4x³-7x²+5x-4) from (6-5x+6x²-8x³)

Answer»

ANSWER:

CHECK your QUESTION once again

Discussion

34.	4. For each of the following numbers, findthat they lie between which two wholenumbers :(1) √112 (2)√138 (3) √155(4) √1175 (5) √245 (6) √315(7) √1375 (8) √410
Answer» Answer: ota very ISY yo SAY ma 20 _

34.

4. For each of the following numbers, findthat they lie between which two wholenumbers :(1) √112 (2)√138 (3) √155(4) √1175 (5) √245 (6) √315(7) √1375 (8) √410

Answer»

Answer:

ota very ISY yo SAY ma 20 _

Discussion

35.	Roasterform of setS= {x:x is a prime factor of 102}
Answer» Answer: Step-by-step EXPLANATION: S={2,3,17} HOPE it helps u please MARK as brainliest

35.

Roasterform of setS= {x:x is a prime factor of 102}

Answer»

Answer:

Step-by-step EXPLANATION:

S={2,3,17}

HOPE it helps u

please MARK as brainliest

Discussion

36.	If length and breadth of plot is 2 cm a 6cm find its perimeter and area?
Answer» Answer: area=12 cm² perimeter=16 cm Step-by-step explanation: area=lB = 62 =12 cm² perimeter=2(l+b) =2(6+2) =2*8 =16 cm hope you liked it and thank you for your support

36.

If length and breadth of plot is 2 cm a 6cm find its perimeter and area?

Answer»

Answer:

area=12 cm²

perimeter=16 cm

Step-by-step explanation:

area=l*B

= 6*2

=12 cm²

perimeter=2(l+b)

=2(6+2)

=2*8

=16 cm

hope you liked it and thank you for your support

Discussion

37.	The length and breadth of a lawn are 6 m by 5 m .what will be the length of its fence??
Answer» Answer: 22 m Step-by-step explanation: length of FENCE = perimeter of the LAWN length of fence = 2(l+b) length of fence = 2(6+5) length of fence = 2×11 = 22 m.

37.

The length and breadth of a lawn are 6 m by 5 m .what will be the length of its fence??

Answer»

Answer:

22 m

Step-by-step explanation:

length of FENCE = perimeter of the LAWN

length of fence = 2(l+b)

length of fence = 2(6+5)

length of fence = 2×11 = 22 m.

Discussion

38.	In a right triangle ABC right angled at B. if AB=10cm c= 30° find. bc
Answer» ANSWER: BC=10√3 CM Step-by-step explanation: Given, BC=? tan 30⁰=10cm/x 1/√3=10 cm/x x=10√3 cm x≈17.3205 cm

38.

In a right triangle ABC right angled at B. if AB=10cm c= 30° find. bc

Answer»

ANSWER:

BC=10√3 CM

Step-by-step explanation:

Given,

BC=?

tan 30⁰=10cm/x

1/√3=10 cm/x

x=10√3 cm

x≈17.3205 cm

Discussion

39.	Answer Question . SOLVE BY USING GRAPH METHOD.
Answer» AnswEr : Option c (-π) is the answer. ExplanaTion : When u find a greatest integer function, modulus function and trigonometric function in definite integral problems then solving the problem graphically makes the answer easy. Plot the graph for \| sinx \| and \| cosx \| REFER ATTACHMENT (1) We can notice that the graph is symmetric at π. Which means , the values from 0 - π and π - 2π are EXACTLY same. Given, $\int (\|sinx\| - \|cosx\| )dx \: \: \: \: \: (0 \: to \: 2\pi)$ Now, we can reduce the graph from ( 0 - 2π ) to 2 times of ( 0 - π ). $\implies \: 2\int (\|sinx\| - \|cosx\|)dx \: \: \: \: (0 to \: \pi)$ Now, consider only half of the graph, Divide the domain from ( 0 - π ) into 3 parts, as the values of \| sinx \| and \| cosx \| at π/4 and 3π/4 are same. Now, consider functions at these 3 respective domains , $(0 \: to \: \frac{\pi}{4} ) \: - \| \sin(x) \| < \| \cos(x) \|$ $( \frac{3\pi}{4} \: to \: \pi) - \| \sin(x) \| < \| \cos(x) \|$ $( \frac{\pi}{4} \: to \: \frac{3\pi}{4} ) - \| \sin(x) \| > \| \cos(x) \|$ But, The function of our integral lies between (-1) and (1) . -1 < f(x) < 1. (since, sinx and cosx lies between - and + 1) Greatest integral function which lies in these regions : => It's the SUM of three domains, (0-π/4) , (3π/4 - π/4) , (π - 3π/4). 1st domain , $2 \int f(x) \: d(x) - (0 \: to \: \frac{\pi}{4} )$ here, f(x) < 0 => [f(x)] = (-1) 3rd domain , $2 \int f(x) \: d(x) - ( \frac{\pi}{4} \: to \: \frac{3\pi}{4} )$ here, also same as 1st domain, [f(x)] = (-1) 2nd domain, $2\int \: f(x) \: d(x) - ( \frac{3\pi}{4} \: to \: \pi)$ here, f(x) > 0 [f(x)] = 0 Now, to the simplest we got three domains , 1st one, $2 \int( - 1)dx \: \: \: \: (0 - \frac{\pi}{4} )$ on simplification, $\implies \: ( \frac{ - 2\pi}{4} )$ 2nd one, $2 \int \: 0 \: dx \: \: \: \: ( \frac{\pi}{4} - \frac{3\pi}{4} )$ on simplification $\implies(0)$ 3rd one, $2 \int \: (1) \: dx \: \: \: \: ( \frac{3\pi}{4} - \pi)$ on simplification, $\implies \: ( - \frac{2\pi}{4} )$ Sum of three domains is the answer, $\implies \: \frac{ - 2\pi}{4} + 0 \: + \frac{ - 2\pi}{4}$ $\implies \: ( - \pi)$ Therefore, the answer is (-π) option : c

39.

Answer Question . SOLVE BY USING GRAPH METHOD.

Answer»

AnswEr :

Option c (-π) is the answer.

ExplanaTion :

When u find a greatest integer function, modulus function and trigonometric function in definite integral problems then solving the problem graphically makes the answer easy.

Plot the graph for | sinx | and | cosx |

REFER ATTACHMENT (1)

We can notice that the graph is symmetric at π.

Which means , the values from 0 - π and π - 2π are EXACTLY same.

Given,

$\int (|sinx| - |cosx| )dx \: \: \: \: \: (0 \: to \: 2\pi)$

Now, we can reduce the graph from ( 0 - 2π ) to 2 times of ( 0 - π ).

$\implies \: 2\int (|sinx| - |cosx|)dx \: \: \: \: (0 to \: \pi)$

Now, consider only half of the graph,

Divide the domain from ( 0 - π ) into 3 parts, as the values of | sinx | and | cosx | at π/4 and 3π/4 are same.

Now, consider functions at these 3 respective domains ,

$(0 \: to \: \frac{\pi}{4} ) \: - | \sin(x) | < | \cos(x) |$

$( \frac{3\pi}{4} \: to \: \pi) - | \sin(x) | < | \cos(x) |$

$( \frac{\pi}{4} \: to \: \frac{3\pi}{4} ) - | \sin(x) | > | \cos(x) |$

But, The function of our integral lies between (-1) and (1) .

-1 < f(x) < 1.

(since, sinx and cosx lies between - and + 1)

Greatest integral function which lies in these regions :

=> It's the SUM of three domains, (0-π/4) , (3π/4 - π/4) , (π - 3π/4).

1st domain ,

$2 \int f(x) \: d(x) - (0 \: to \: \frac{\pi}{4} )$

here, f(x) < 0

=> [f(x)] = (-1)

3rd domain ,

$2 \int f(x) \: d(x) - ( \frac{\pi}{4} \: to \: \frac{3\pi}{4} )$

here, also same as 1st domain,

[f(x)] = (-1)

2nd domain,

$2\int \: f(x) \: d(x) - ( \frac{3\pi}{4} \: to \: \pi)$

here, f(x) > 0

[f(x)] = 0

Now, to the simplest we got three domains ,

1st one,

$2 \int( - 1)dx \: \: \: \: (0 - \frac{\pi}{4} )$

on simplification,

$\implies \: ( \frac{ - 2\pi}{4} )$

2nd one,

$2 \int \: 0 \: dx \: \: \: \: ( \frac{\pi}{4} - \frac{3\pi}{4} )$

on simplification

$\implies(0)$

3rd one,

$2 \int \: (1) \: dx \: \: \: \: ( \frac{3\pi}{4} - \pi)$

on simplification,

$\implies \: ( - \frac{2\pi}{4} )$

Sum of three domains is the answer,

$\implies \: \frac{ - 2\pi}{4} + 0 \: + \frac{ - 2\pi}{4}$

$\implies \: ( - \pi)$

Therefore,

the answer is (-π)

option : c

Discussion

40.	Let A={1,2,3,4,5} write the elements by using symbol "belongs to "
Answer» Step-by-step EXPLANATION: X such that X BELONGS to 5

40.

Let A={1,2,3,4,5} write the elements by using symbol "belongs to "

Answer»

Step-by-step EXPLANATION:

X such that X BELONGS to 5

Discussion

41.	Without actual calculation find the number of digit of the square root of the following numbers 729
Answer» ANSWER: s7rs6rdutvojrt7dlufsoyd8ycutc5akxteaigx6td6rdjvxr6h souae6clgsexkgsutzuesifafkxyesh dakdz6ezyezyssulrslutc coeljtjgskydtditfouritaitsoydgojougmiye myitdntdutfutditsmjgsutet Step-by-step EXPLANATION: d88ye8tdlutiobvljgihitd kgdiyfugfiyweojtuehumfayraluaitdoitewtoyoslsywyooywowyyowwotowt zjfjsjfsmyrsyrsudwiyfwiytwoufwmiyrwoytwoytwl86tw6tw86rwl8yr

41.

Without actual calculation find the number of digit of the square root of the following numbers 729

Answer»

ANSWER:

s7rs6rdutvojrt7dlufsoyd8ycutc5akxteaigx6td6rdjvxr6h souae6clgsexkgsutzuesifafkxyesh

dakdz6ezyezyssulrslutc

coeljtjgskydtditfouritaitsoydgojougmiye

myitdntdutfutditsmjgsutet

Step-by-step EXPLANATION:

d88ye8tdlutiobvljgihitd

kgdiyfugfiyweojtuehumfayraluaitdoitewtoyoslsywyooywowyyowwotowt zjfjsjfsmyrsyrsudwiyfwiytwoufwmiyrwoytwoytwl86tw6tw86rwl8yr

Discussion

42.	(1 + tan theta+sec theta)(1+cot theta-cosec theta )
Answer» ANSWER: your answer ATTACHED in the PHOTO

42.

(1 + tan theta+sec theta)(1+cot theta-cosec theta )

Answer»

ANSWER:

your answer ATTACHED in the PHOTO

Discussion

43.	How to find the side of a square by given diameter
Answer» ANSWER: HOPE you UNDERSTOOD......

43.

How to find the side of a square by given diameter

Answer»

ANSWER:

HOPE you UNDERSTOOD......

Discussion

44.	Writeany two differencesbetween collection andset.
Answer» HY this is the ANSWER i HOPE it MAY be HELPFUL

44.

Writeany two differencesbetween collection andset.

Answer»

HY this is the ANSWER i HOPE it MAY be HELPFUL

Discussion

45.	The ones place digit in a 3 digit number is 2 times the digit in the tens place. The digit in the hundreds place is 3 times the digit in the tens place. The average of the 3 digits is 4. What is the 3 digit number?
Answer» ANSWER: STRUT up for a SECOND to your CAR to SEE what you can

45.

The ones place digit in a 3 digit number is 2 times the digit in the tens place. The digit in the hundreds place is 3 times the digit in the tens place. The average of the 3 digits is 4. What is the 3 digit number?

Answer»

ANSWER:

STRUT up for a SECOND to your CAR to SEE what you can

Discussion

46.	Vonv oquarc ur side 4 cm.7. If the adjacent sides of rectangle are 60 cmand 11 cm then find the length of itsdiagonals.TRUCTION AND TYPES
Answer» ANSWER: i HOPE this answer is HELPFUL for you THANKS

46.

Vonv oquarc ur side 4 cm.7. If the adjacent sides of rectangle are 60 cmand 11 cm then find the length of itsdiagonals.TRUCTION AND TYPES

Answer»

ANSWER:

i HOPE this answer is HELPFUL for you THANKS

Discussion

47.	Five terms are in AP. The difference between the square of the 5th term and first term is 192and the sum of 2nd and the 4th term is 16. Find the first 5 terms.
Answer» $\blue{\bold{\underline{\underline{Answer:}}}}$ $\green{\tt{\therefore{First\:<klux>FIVE</klux>\:terms\:of\:AP\:-2,5,8,11,14}}}$ $\orange{\bold{\underline{\underline{Step-by-step\:explanation:}}}}$ Given, The DIFFERENCE between the square of 5th term and first term is 192. The sum of second and fourth term is 16. To find : The first five terms of AP. $a_{n} = a + (n - 1)d$ Now, According to the question, ${(a_{5}) }^{2 } - {(a)}^{2} = 192 \\ {(a + 4d)}^{2} - {a}^{2} = 192 \\ {a}^{2} + 16 {d}^{2} + 8ad - {a}^{2} = 192...........(i)$ Now, SUM of second and the fourth term is 16. $a_{2} + a_{4} = 16 \\ a + d + a + 3d = 16 \\ 2a + 4d = 16 \\ a + 2d = 8..........(ii) \\ a = 8 - 2d$ Substituting the value of a in (i) We get, $16 {d}^{2} + 8 \times (8 - 2d) \times d = 192 \\ 16{d}^{2} + 64d - 16 {d}^{2} = 192 \\ 64d = 192 \\ d = \frac{192}{64} = <klux>3</klux>$ Now, substituting the value of d = 3 in a = 8 - 2d $a = 8 - 2 \times 3 \\ a = 8 - 6 \\ a = 2$ $\rule{300}{2}$ $a_{1} = 2 \\ a_{2} = a + d = 2 + 3 = 5 \\ a_{3} = a + 2d = 2 + 6 = 8 \\ a_{4} = a + 3d = 2 + 9 = 11 \\ a_{5} = a + 4d = 2 + 12 = 14$ $\rule{300}{2}$

47.

Five terms are in AP. The difference between the square of the 5th term and first term is 192and the sum of 2nd and the 4th term is 16. Find the first 5 terms.

Answer»

$\blue{\bold{\underline{\underline{Answer:}}}}$

$\green{\tt{\therefore{First\:<klux>FIVE</klux>\:terms\:of\:AP\:-2,5,8,11,14}}}$

$\orange{\bold{\underline{\underline{Step-by-step\:explanation:}}}}$

Given,

The DIFFERENCE between the square of 5th term and first term is 192.
The sum of second and fourth term is 16.

To find : The first five terms of AP.

$a_{n} = a + (n - 1)d$

Now, According to the question,

${(a_{5}) }^{2 } - {(a)}^{2} = 192 \\ {(a + 4d)}^{2} - {a}^{2} = 192 \\ {a}^{2} + 16 {d}^{2} + 8ad - {a}^{2} = 192...........(i)$

Now, SUM of second and the fourth term is 16.

$a_{2} + a_{4} = 16 \\ a + d + a + 3d = 16 \\ 2a + 4d = 16 \\ a + 2d = 8..........(ii) \\ a = 8 - 2d$

Substituting the value of a in (i)

We get,

$16 {d}^{2} + 8 \times (8 - 2d) \times d = 192 \\ 16{d}^{2} + 64d - 16 {d}^{2} = 192 \\ 64d = 192 \\ d = \frac{192}{64} = <klux>3</klux>$

Now, substituting the value of d = 3 in

a = 8 - 2d

$a = 8 - 2 \times 3 \\ a = 8 - 6 \\ a = 2$

$\rule{300}{2}$

$a_{1} = 2 \\ a_{2} = a + d = 2 + 3 = 5 \\ a_{3} = a + 2d = 2 + 6 = 8 \\ a_{4} = a + 3d = 2 + 9 = 11 \\ a_{5} = a + 4d = 2 + 12 = 14$

$\rule{300}{2}$

Discussion

48.	7. Convert the following numbers into percentage :3/4 ,7/5
Answer» Answer: Step-by-step explanation: to CONVERT a NUMBER into PERCENTAGE we multiply by hundred $\frac{3}{4}$ = ( $\frac{3}{4}$ × 100)% = 3 × 25% = 75% 7 / 5 7 / 5 = $\frac{7}{5}$ × 100% = 7 × 20 % = 140%

48.

7. Convert the following numbers into percentage :3/4 ,7/5

Answer»

Answer:

Step-by-step explanation:

to CONVERT a NUMBER into PERCENTAGE we multiply by hundred

$\frac{3}{4}$ = ( $\frac{3}{4}$ × 100)%

= 3 × 25%

= 75%

7 / 5

7 / 5 = $\frac{7}{5}$ × 100%

= 7 × 20 %

= 140%

Discussion

49.	Which ones are the multiple of 3 between 10 and 20
Answer» ANSWER: Answer is 12 , 15,18 .HOPE this HELPS.

49.

Which ones are the multiple of 3 between 10 and 20

Answer»

ANSWER:

Answer is 12 , 15,18 .HOPE this HELPS.

Discussion

50.	The solution of set of x/2+3greater than 5x€n is
Answer» ANSWER: hdhzuduisgxkfjdjrjsjddshdsrwjjdjrjhrhdhrjsjdjhzhshhhhehhshshdhdhdhdhrhdrhdjdjejsjfidjxjrjrjrjrjhfrjjsiridoxfoiitkfrnsnejwkkkdkxjtdkiiidifjrjfjrtjfj⚡☺☺☺☺⚡⚡⚡☝️⚡☺☺☺ Step-by-step EXPLANATION: ☺☺⚡

50.

The solution of set of x/2+3greater than 5x€n is

Answer»

ANSWER:

hdhzuduisgxkfjdjrjsjddshdsrwjjdjrjhrhdhrjsjdjhzhshhhhehhshshdhdhdhdhrhdrhdjdjejsjfidjxjrjrjrjrjhfrjjsiridoxfoiitkfrnsnejwkkkdkxjtdkiiidifjrjfjrtjfj⚡☺☺☺☺⚡⚡⚡☝️⚡☺☺☺

Step-by-step EXPLANATION:

☺☺⚡

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