332354 + Interview Questions in Secondary School in Math

1.	in a colony there are 15 females and 21 males find the ratio of (a)females to males number (b) males to females number (c) females to total number
Answer» ANSWER: I DONT KNOW THE ANWER SORRY Step-by-step EXPLANATION:

1.

in a colony there are 15 females and 21 males find the ratio of (a)females to males number (b) males to females number (c) females to total number

Answer»

ANSWER:

I DONT KNOW THE ANWER SORRY

Step-by-step EXPLANATION:

Discussion

2.	Which is the greatest and the smallest among the group of numbers
Answer» ANSWER: -INFINITY and infinity Step-by-step EXPLANATION: because you can't COUNT numbers till end that's why the answer is infinity

2.

Which is the greatest and the smallest among the group of numbers

Answer»

ANSWER:

-INFINITY and infinity

Step-by-step EXPLANATION:

because you can't COUNT numbers till end that's why the answer is infinity

Discussion

3.	Construct triangle net with measurement ne=6.4cm, angle n 50 degree and angle e=100 degree .
Answer» Step-by-step explanation: ∴ NETNET is the required TRIANGLE. Step-by-step explanation: Given; Construct a \bigtriangleup NET△NET where NE=6.4cmNE=6.4cm , \angle N=50∠N=50 DEGREES and \angle E=100∠E=100 degrees Following steps: Draw a line NE=6.4cmNE=6.4cm At POINT NN draw an angle 5050 degree and EXTEND in like NMNM At point E draw an angle 100100 degree and it extend line cuts point TT on the line NMNM Now NETNET is the required triangle.

3.

Construct triangle net with measurement ne=6.4cm, angle n 50 degree and angle e=100 degree .

Answer»

Step-by-step explanation:

∴ NETNET is the required TRIANGLE.

Step-by-step explanation:

Given;

Construct a \bigtriangleup NET△NET where NE=6.4cmNE=6.4cm , \angle N=50∠N=50 DEGREES and \angle E=100∠E=100 degrees

Following steps:

Draw a line NE=6.4cmNE=6.4cm

At POINT NN draw an angle 5050 degree and EXTEND in like NMNM

At point E draw an angle 100100 degree and it extend line cuts point TT on the line NMNM

Now NETNET is the required triangle.

Discussion

4.	Triangle ABCABCA, B, C has the following vertices: A(-4,6)A(−4,6)A, left parenthesis, minus, 4, comma, 6, right parenthesis B(6,6)B(6,6)B, left parenthesis, 6, comma, 6, right parenthesis C(1,-3)C(1,−3)C, left parenthesis, 1, comma, minus, 3, right parenthesis Is triangle ABCABCA, B, C an equilateral triangle, and why
Answer» Answer: distance between A and B=√(6+4)^2+(6-6)^2 =10 distance between B and C=√(1-6)^2+(-3-6)^2 =√25+81 =√106 AB is not EQUAL to BC ABC is not EQUILATERAL TRIANGLE

4.

Triangle ABCABCA, B, C has the following vertices: A(-4,6)A(−4,6)A, left parenthesis, minus, 4, comma, 6, right parenthesis B(6,6)B(6,6)B, left parenthesis, 6, comma, 6, right parenthesis C(1,-3)C(1,−3)C, left parenthesis, 1, comma, minus, 3, right parenthesis Is triangle ABCABCA, B, C an equilateral triangle, and why

Answer»

Answer:

distance between A and B=√(6+4)^2+(6-6)^2

=10

distance between B and C=√(1-6)^2+(-3-6)^2

=√25+81

=√106

AB is not EQUAL to BC

ABC is not EQUILATERAL TRIANGLE

Discussion

5.	6 litre of paint cover and area of 72 square how much paint will needed to cover an area of 90 square
Answer» ANSWER: it is a QUESTION of DIRECT variation 6/72=x/90 x=6*90/72 x=30/4 x=7.5litre

5.

6 litre of paint cover and area of 72 square how much paint will needed to cover an area of 90 square

Answer»

ANSWER:

it is a QUESTION of DIRECT variation

6/72=x/90

x=6*90/72

x=30/4

x=7.5litre

Discussion

6.	8560707236 in Indian systemEight hundred crores fifty six crores seven lakhs seven thousand two hundred thirty six
Answer» Answer: It takes time for pieces of Shahabad tile to disappear in HCl, but its powder DISAPPEARS rapidly because in pieces of the tile, the surface ATOMS can only REACT with HCl but in powdered form all the atoms can react with HCl. This MAKES the difference in their reactivity. . . pls give me thanks and mark me as BRAINLIEST

6.

8560707236 in Indian systemEight hundred crores fifty six crores seven lakhs seven thousand two hundred thirty six

Answer»

Answer:

It takes time for pieces of Shahabad tile to disappear in HCl, but its powder DISAPPEARS rapidly because in pieces of the tile, the surface ATOMS can only REACT with HCl but in powdered form all the atoms can react with HCl. This MAKES the difference in their reactivity.

.

pls give me thanks and mark me as BRAINLIEST

Discussion

7.	2,3,0,3,2,6 ka bahulak hoga(a) 2 (b) 2.16 (c) 3 (d)2.5
Answer» ANSWER: I THINK d)2.5 if I am not WRONG BROTHER

7.

2,3,0,3,2,6 ka bahulak hoga(a) 2 (b) 2.16 (c) 3 (d)2.5

Answer»

ANSWER:

I THINK d)2.5

if I am not WRONG BROTHER

Discussion

8.	the sum of digits of a two-digit number is 16 if the digits are interchanged the new number formed is smaller than the original number by 18 find the original numbers
Answer» Answer: The original number is 79. Step-by-step explanation: In the original number, let the tens place digit be x. Thus, the ONES place will be (16-x). A/Q, 10x + (16-x) + 18 = 10(16 - x) + x => 10x + 16 - x + 18 = 160 - 10x + x => 9x + 34 = 160 - 9x => 9x + 9x = 160 - 34 => 18x = 126 => x = 126/18 = 7 Therefore, the original number is 79 and the new number is 97.

8.

the sum of digits of a two-digit number is 16 if the digits are interchanged the new number formed is smaller than the original number by 18 find the original numbers

Answer»

Answer:

The original number is 79.

Step-by-step explanation:

In the original number,

let the tens place digit be x. Thus, the ONES place will be (16-x).

A/Q,

10x + (16-x) + 18 = 10(16 - x) + x

=> 10x + 16 - x + 18 = 160 - 10x + x

=> 9x + 34 = 160 - 9x

=> 9x + 9x = 160 - 34

=> 18x = 126

=> x = 126/18 = 7

Therefore, the original number is 79 and the new number is 97.

Discussion

9.	X - 4 = 3 - 6x Which of these have the same solution as Equation 1?
Answer» Step-by-step EXPLANATION: x-4=3-6x x+6x=4+3 7x=7 x=7/7 x=1

9.

X - 4 = 3 - 6x Which of these have the same solution as Equation 1?

Answer»

Step-by-step EXPLANATION:

x-4=3-6x

x+6x=4+3

7x=7

x=7/7

x=1

Discussion

10.	If 15 pencil cost rs. 90. Then the cost of 10 such pencils= ?
Answer» Answer: If cost of 15 pencils = Rs 90 then cost of 1 pencils = 90/15 = Rs 6 then cost of 10 pencils = 6*10= Rs 60

10.

If 15 pencil cost rs. 90. Then the cost of 10 such pencils= ?

Answer»

Answer:

If cost of 15 pencils = Rs 90

then cost of 1 pencils = 90/15 = Rs 6

then cost of 10 pencils = 6*10= Rs 60

Discussion

11.	Write down the truth table of p→q⋀∼r↔r⊕q.
Answer» ANSWER: what is this Step-by-step EXPLANATION: is it any QUESTIONS

11.

Write down the truth table of p→q⋀∼r↔r⊕q.

Answer»

ANSWER:

what is this

Step-by-step EXPLANATION:

is it any QUESTIONS

Discussion

12.	In triangle ABC , right angled at B;AB equal to 15 cm BC equal to 20 cm , find AC
Answer» ANSWER: hrihr6 HR and a HALF HOUR and a half hour and a half hour and a

12.

In triangle ABC , right angled at B;AB equal to 15 cm BC equal to 20 cm , find AC

Answer»

ANSWER:

hrihr6 HR and a HALF HOUR and a half hour and a half hour and a

Discussion

13.	What percent of 4kg is 160g
Answer» ANSWER: $x = 4\\ \\ answer \: is \: 4\: percent.$ Step-by-step EXPLANATION: $let \: it \: be \: x \\ \\ therefore \: \: \: x \: percent \: \: of \: \: 4000 \: gram \: = 160 \: gram \\ \\ \frac{x}{100} \times 4000 = 160 \\ \\ x = \frac{160 \times 100}{4000} \\ \\ x = 4$

13.

What percent of 4kg is 160g

Answer»

ANSWER:

$x = 4\\ \\ answer \: is \: 4\: percent.$

Step-by-step EXPLANATION:

$let \: it \: be \: x \\ \\ therefore \: \: \: x \: percent \: \: of \: \: 4000 \: gram \: = 160 \: gram \\ \\ \frac{x}{100} \times 4000 = 160 \\ \\ x = \frac{160 \times 100}{4000} \\ \\ x = 4$

Discussion

14.	30 man can reap a field in 8 days . how many man can reap the field in 12 days.
Answer» Step-by-step explanation: FT in ch nn HI K my mum mi TN I hi THU z

14.

30 man can reap a field in 8 days . how many man can reap the field in 12 days.

Answer»

Step-by-step explanation:

FT in ch nn

HI K my mum mi TN I hi THU z

Discussion

15.	What is the distance of 30 feet and 6 yards
Answer» Step-by-step EXPLANATION: HOPE it HELPS u,PLEASE thank me if u find this useful

15.

What is the distance of 30 feet and 6 yards

Answer»

Step-by-step EXPLANATION:

HOPE it HELPS u,PLEASE thank me if u find this useful

Discussion

16.	A principal of $2500 is invested at 3.75% interest, compounded annually. How much will the investment be worth after 9 years
Answer» FUTURE INVESTMENT VALUE : $3,512.70 ★彡[Happψ τo HELP]彡★

16.

A principal of $2500 is invested at 3.75% interest, compounded annually. How much will the investment be worth after 9 years

Answer»

FUTURE INVESTMENT VALUE :

$3,512.70

★彡[Happψ τo HELP]彡★

Discussion

17.	Munna and Munni East 14 and 10 years the mother want to divide rupees 180 between them in the ratio of the days how much does each get
Answer» ANSWER: HELLO MUNNA MUNNI jsjsksj

17.

Munna and Munni East 14 and 10 years the mother want to divide rupees 180 between them in the ratio of the days how much does each get

Answer»

ANSWER:

HELLO MUNNA MUNNI jsjsksj

Discussion

18.	A family of 8 people need 60 kg wheat for a month . How much wheat does this family need for a week ?
Answer» ANSWER: $15 \: \: kg.$ Step-by-step EXPLANATION: $in \: a \: week \: there \: are \: 4 \: weeks \\ \\ answer = \frac{60}{4} \: kg \\ \\ = 15 \: \: kg.$

18.

A family of 8 people need 60 kg wheat for a month . How much wheat does this family need for a week ?

Answer»

ANSWER:

$15 \: \: kg.$

Step-by-step EXPLANATION:

$in \: a \: week \: there \: are \: 4 \: weeks \\ \\ answer = \frac{60}{4} \: kg \\ \\ = 15 \: \: kg.$

Discussion

19.	To roster method Set of odd numbers between 20 and 45
Answer» ANSWER: Here is your answer. {21,23,25,27,29,31,33,35,37,39,41,43,45} Step-by-step EXPLANATION: MARK as BRAINLIST answer follow thank my answer PLZ

19.

To roster method Set of odd numbers between 20 and 45

Answer»

ANSWER:

Here is your answer.

{21,23,25,27,29,31,33,35,37,39,41,43,45}

Step-by-step EXPLANATION:

MARK as BRAINLIST answer

follow

thank my answer

PLZ

Discussion

20.	The ratio of the sum of observation and the total number observation is called
Answer» Answer: Probability Step-by-step EXPLANATION: we found probability of an EVENT by the ratio as GIVEN in the QUESTION...

20.

The ratio of the sum of observation and the total number observation is called

Answer»

Answer:

Probability

Step-by-step EXPLANATION:

we found probability of an EVENT by the ratio as GIVEN in the QUESTION...

Discussion

21.	X2 -6x-72 factorise please help
Answer» QUESTION: X2 -6x-72 factorise ANSWER: $= > {x}^{2} - 6x - 72 = 0$ $= > {x}^{2} - 12x + 6x - 72 = 0$ $= > x(x - 12) + 6(x - 12) = 0$ $= > (x - 12)(x + 6) = 0$ $= > x = 12 \: \: \: or \: \: \: - 6$ HOPE this answer HELPS you ^_^ !

21.

X2 -6x-72 factorise please help

Answer»

QUESTION:

X2 -6x-72 factorise

ANSWER:

$= > {x}^{2} - 6x - 72 = 0$

$= > {x}^{2} - 12x + 6x - 72 = 0$

$= > x(x - 12) + 6(x - 12) = 0$

$= > (x - 12)(x + 6) = 0$

$= > x = 12 \: \: \: or \: \: \: - 6$

HOPE this answer HELPS you ^_^ !

Discussion

22.	एक वर्गाकार बोर्ड का क्षेत्रफल 144 वर्ग ईकाई है एक भुजा का लंबाई ज्ञात करे
Answer» Answer: 144 DIVIDED in to 5 your ANS is 28.8 CM

22.

एक वर्गाकार बोर्ड का क्षेत्रफल 144 वर्ग ईकाई है एक भुजा का लंबाई ज्ञात करे

Answer»

Answer:

144 DIVIDED in to 5 your ANS is 28.8 CM

Discussion

23.	FIND THE VALUES OF THE FOLLOWING BY USING PROPER IDENTITY1. 27×22. 5.5²RIGHT AND CORRECT ANSWER WILL MARK AS BRAINLIEST
Answer» Answer: 27×2 = 54 5 × 5 × 5 = 125 hope this HELP you

23.

FIND THE VALUES OF THE FOLLOWING BY USING PROPER IDENTITY1. 27×22. 5.5²RIGHT AND CORRECT ANSWER WILL MARK AS BRAINLIEST

Answer»

Answer:

27×2 = 54

5 × 5 × 5 = 125

hope this HELP you

Discussion

24.	Six picture cards P, Q, R, S, T and U are framed in six different colours - blue, red, green, grey, yellow and brown and are arranged from left to right (not necessarily in the sameorder).The pictures are of knight, pawn, queen, bishop, joker and castle.- The picture of the bishop is in the blue colour frame but it is not on card S and card P which is of the queen, is in the brown frame and is placed at the extreme right.The picture of the pawn is neither on card Snor on card T and is not in either the green or the yellow frame.- Card R has a picture of the knight in a grey frame and it is fifth from right and next to card Q having the picture of the castle.Which card contains the pawn?
Answer» Answer: what are you ASKING me do you no LONGER be able to get the LATEST flash player is required for VIDEO playback is unavailable right now because this video is not GOING to get the latest flash player is required for video playback is unavailable right now because this video is not going to get the latest flash player is required for video playback is unavailable right now because this video is

24.

Six picture cards P, Q, R, S, T and U are framed in six different colours - blue, red, green, grey, yellow and brown and are arranged from left to right (not necessarily in the sameorder).The pictures are of knight, pawn, queen, bishop, joker and castle.- The picture of the bishop is in the blue colour frame but it is not on card S and card P which is of the queen, is in the brown frame and is placed at the extreme right.The picture of the pawn is neither on card Snor on card T and is not in either the green or the yellow frame.- Card R has a picture of the knight in a grey frame and it is fifth from right and next to card Q having the picture of the castle.Which card contains the pawn?

Answer»

Answer:

what are you ASKING me do you no LONGER be able to get the LATEST flash player is required for VIDEO playback is unavailable right now because this video is not GOING to get the latest flash player is required for video playback is unavailable right now because this video is not going to get the latest flash player is required for video playback is unavailable right now because this video is

Discussion

25.	Draw a line segment AB = 6.8 cm . Take any point P outside it . Using ruler and compasses draw a line through P parallel to AB.
Answer» ANSWER: ahjdbbxjjejdjcnnfndnsbfjdjejjs Step-by-step EXPLANATION: ysufu

25.

Draw a line segment AB = 6.8 cm . Take any point P outside it . Using ruler and compasses draw a line through P parallel to AB.

Answer»

ANSWER:

ahjdbbxjjejdjcnnfndnsbfjdjejjs

Step-by-step EXPLANATION:

ysufu

Discussion

26.	Take BC=5cm. Draw BC I ABand AD I AB with length ofBC and AD as 5cm each.Join CD. Explain why CD ll ABand BC II AD
Answer» CORRECT ANSWER is 7.5 CM

26.

Take BC=5cm. Draw BC I ABand AD I AB with length ofBC and AD as 5cm each.Join CD. Explain why CD ll ABand BC II AD

Answer»

CORRECT ANSWER is 7.5 CM

Discussion

27.	If nikhil's present age is x years find nikhil's age 4 years ago
Answer» ANSWER: x-4 is the answer HOPE it HELPS

27.

If nikhil's present age is x years find nikhil's age 4 years ago

Answer»

ANSWER:

x-4 is the answer

HOPE it HELPS

Discussion

28.	Verify that: Full solution
Answer» ANSWER: YA it is ✅ RIGHT you are CORRECT GOING

28.

Verify that: Full solution

Answer»

ANSWER:

YA it is ✅ RIGHT

you are CORRECT GOING

Discussion

29.	Find the angle of a parallelogram in which angle A=2angle B
Answer» ANSWER: SORRY I didn't UNDERSTAND

29.

Find the angle of a parallelogram in which angle A=2angle B

Answer»

ANSWER:

SORRY I didn't UNDERSTAND

Discussion

30.	the number of bacteria in a certain culture triples every hour if there were 50 bacteria present in the culture originally what would be the number of bacteria in 3rd hour ? 5th hour ? 10th hour ? 11th hour?
Answer» Step-by-step explanation: The key term to look for in this problem is TRIPLE. If you started with 50, the amount will triple each hour. So, you take 50 and MULTIPLY it by THREE to get the amount of bacteria in the second hour, which is 150

30.

the number of bacteria in a certain culture triples every hour if there were 50 bacteria present in the culture originally what would be the number of bacteria in 3rd hour ? 5th hour ? 10th hour ? 11th hour?

Answer»

Step-by-step explanation:

The key term to look for in this problem is TRIPLE. If you started with 50, the amount will triple each hour. So, you take 50 and MULTIPLY it by THREE to get the amount of bacteria in the second hour, which is 150

Discussion

31.	Find the ratio a:b:c if a:b=5:3&b:c=4:1
Answer» Answer: 20 : 12 : 3 Step-by-step EXPLANATION: a : B = 5 : 3 or, 4a : 4b = 20 : 12 or, a : b = 20 : 12 b : c = 4 : 1 or, 3b : 3C = 12 : 3 or, b : c = 12 : 3 so, a : b : c = 20 : 12 : 3

31.

Find the ratio a:b:c if a:b=5:3&b:c=4:1

Answer»

Answer:

20 : 12 : 3

Step-by-step EXPLANATION:

a : B = 5 : 3

or, 4a : 4b = 20 : 12

or, a : b = 20 : 12

b : c = 4 : 1

or, 3b : 3C = 12 : 3

or, b : c = 12 : 3

so, a : b : c = 20 : 12 : 3

Discussion

32.	Limx tends to zero(cosx+sinx)^1÷x
Answer» ANSWER: only for GI rls Step-by-step EXPLANATION: /jgm-frnz-nfy

32.

Limx tends to zero(cosx+sinx)^1÷x

Answer»

ANSWER:

only for GI rls

Step-by-step EXPLANATION:

/jgm-frnz-nfy

Discussion

33.	In a year, the number of deaths due to habit of smoking for different agegroup is given below :(i) Represent the given information with the help of a histogram.(ii) What lesson do you learn from this information ?
Answer» ANSWER: करन म सक्षम करता है ? -23 अलवरूनी जाति व्यवस्था की कई मान्यताओं से सहमत नहीं था, व्याख्या कीजिए 24 इब्नबतता को भारत की शाना ते कागामना करनाकरन म सक्षम करता है ? -23 अलवरूनी जाति व्यवस्था की कई मान्यताओं से सहमत नहीं था, व्याख्या कीजिए 24 इब्नबतता को भारत की शाना ते कागामना करना

33.

In a year, the number of deaths due to habit of smoking for different agegroup is given below :(i) Represent the given information with the help of a histogram.(ii) What lesson do you learn from this information ?

Answer»

ANSWER:

करन म सक्षम करता है ?

-23 अलवरूनी जाति व्यवस्था की कई मान्यताओं से सहमत नहीं था, व्याख्या कीजिए

24 इब्नबतता को भारत की शाना ते

कागामना करनाकरन म सक्षम करता है ?

-23 अलवरूनी जाति व्यवस्था की कई मान्यताओं से सहमत नहीं था, व्याख्या कीजिए

24 इब्नबतता को भारत की शाना ते

कागामना करना

Discussion

34.	A circular flower garden has an area of 314m². A sprinkler at the centre of the garden can cover an area that has a radius of 12cm . Will the sprinkler water the entire garden.AnswerGiven : area = 314 m 2 According to given condition π×r 2 = 314.r 2 =100∴r=10Since Sprinkler can cover the garden with a radius of 12m as the radius of the circular garden is only 10m∴ Sprinkler can water the entire garden.
Answer» Step-by-step explanation: Answer GIVEN : area = 314 m 2 According to given condition π×r 2 = 314. r 2 =100 ∴r=10 Since SPRINKLER can COVER the garden with a radius of 12M as the radius of the circular garden is only 10m ∴ Sprinkler can water the entire garden.

34.

A circular flower garden has an area of 314m². A sprinkler at the centre of the garden can cover an area that has a radius of 12cm . Will the sprinkler water the entire garden.AnswerGiven : area = 314 m 2 According to given condition π×r 2 = 314.r 2 =100∴r=10Since Sprinkler can cover the garden with a radius of 12m as the radius of the circular garden is only 10m∴ Sprinkler can water the entire garden.

Answer»

Step-by-step explanation:

Answer

GIVEN : area = 314 m

2

According to given condition

π×r

2

= 314.

r

2

=100

∴r=10

Since SPRINKLER can COVER the garden with a radius of 12M as the radius of the circular garden is only 10m

∴ Sprinkler can water the entire garden.

Discussion

35.	Find the sum of the 1,8,15,-,505
Answer» Sjuwijankakkw. Qnjqkkqkqqkkwkakk.&&1&kkwkjakqihdkqobsnskwkkwjjwjsbakwoiewpwoeiuqoemdvcxmspqpwjrhbwhqlwp

Discussion

36.	22 नी515. नवीन एक गैस सिलेण्डर और एक स्टोव 4500 मेंखरीदता है। वह गैस सिलेण्डर 25% के लाभ परऔर स्टोव 20% हानि पर बेच देता है तथा उसेपूरी बिक्री पर 4% लाभ होता है गैस सिलेण्डर कामूल्य ज्ञात कीजिए?(a) 3600(b) 2400(c) 3000(d) 2800(ala(d23.
Answer» Answer: गैस सिलेण्डर का मूल्य 2400 है। Step-by-step explanation: दिया है: नवीन एक गैस सिलेण्डर और एक स्टोव 4500 में खरीदता है। माना एक गैस सिलेण्डर का मूल्य x है। तब, एक स्टोव का मूल्य होगा = (4500 - x) हमें कुछ सूत्रों को जानना होगा: विक्रय-मूल्य = {(100 + लाभ%) × क्रय-मूल्य}/100 विक्रय-मूल्य = {(100 - हानि%) × क्रय-मूल्य}/100 एक गैस सिलेण्डर का विक्रय-मूल्य 25% के लाभ पर: विक्रय-मूल्य = {(100 + लाभ%) × क्रय-मूल्य}/100 विक्रय-मूल्य = {(100 + 25) × x}/100 विक्रय-मूल्य = {125 × x}/100 विक्रय-मूल्य = 125x/100 विक्रय-मूल्य = 1.25x एक स्टोव का विक्रय-मूल्य 20% हानि पर: विक्रय-मूल्य = {(100 - हानि%) × क्रय-मूल्य}/100 विक्रय-मूल्य = {(100 - 20) × (4500 - x)}/100 विक्रय-मूल्य = {80 × (4500 - x)}/100 विक्रय-मूल्य = {18000 - 4x}/5 विक्रय-मूल्य = 3600 - 0.8x एक गैस सिलेण्डर और एक स्टोव के विक्रय-मूल्य का योगफल: एक गैस सिलेण्डर का विक्रय-मूल्य + एक स्टोव का विक्रय-मूल्य = 1.25x + 3600 - 0.8x = 0.45x + 3600 अब, दोनों के विक्रय-मूल्य का योग जब पूरी बिक्री पर 4% लाभ होता है: विक्रय-मूल्य = {(100 + लाभ %) × क्रय-मूल्य}/100 विक्रय-मूल्य = {(100 + 4) × 4500}/100 विक्रय-मूल्य = {104 × 4500}/100 विक्रय-मूल्य = 104 × 45 विक्रय-मूल्य = 4680 हमारे पास है: एक गैस सिलेण्डर और एक स्टोव के विक्रय-मूल्य का योगफल = 0.45x + 3600 एक गैस सिलेण्डर और एक स्टोव के विक्रय-मूल्य का योगफल = 4680 एक गैस सिलेण्डर का क्रय-मूल्य निकालने के लिए हमे इसके विक्रय-मूल्य का आपस मे तुलना करना होगा: → 0.45x + 3600 = 4680 → 0.45x = 4680 - 3600 → 0.45x = 1080 → x = 1080/0.45 → x = 2400 ∴ एक गैस सिलेण्डर का मूल्य = x = 2400

36.

22 नी515. नवीन एक गैस सिलेण्डर और एक स्टोव 4500 मेंखरीदता है। वह गैस सिलेण्डर 25% के लाभ परऔर स्टोव 20% हानि पर बेच देता है तथा उसेपूरी बिक्री पर 4% लाभ होता है गैस सिलेण्डर कामूल्य ज्ञात कीजिए?(a) 3600(b) 2400(c) 3000(d) 2800(ala(d23.

Answer»

Answer:

गैस सिलेण्डर का मूल्य 2400 है।

Step-by-step explanation:

दिया है:

नवीन एक गैस सिलेण्डर और एक स्टोव 4500 में खरीदता है।
माना एक गैस सिलेण्डर का मूल्य x है।
तब, एक स्टोव का मूल्य होगा = (4500 - x)

हमें कुछ सूत्रों को जानना होगा:

विक्रय-मूल्य = {(100 + लाभ%) × क्रय-मूल्य}/100
विक्रय-मूल्य = {(100 - हानि%) × क्रय-मूल्य}/100

एक गैस सिलेण्डर का विक्रय-मूल्य 25% के लाभ पर:

विक्रय-मूल्य = {(100 + लाभ%) × क्रय-मूल्य}/100
विक्रय-मूल्य = {(100 + 25) × x}/100
विक्रय-मूल्य = {125 × x}/100
विक्रय-मूल्य = 125x/100
विक्रय-मूल्य = 1.25x

एक स्टोव का विक्रय-मूल्य 20% हानि पर:

विक्रय-मूल्य = {(100 - हानि%) × क्रय-मूल्य}/100
विक्रय-मूल्य = {(100 - 20) × (4500 - x)}/100
विक्रय-मूल्य = {80 × (4500 - x)}/100
विक्रय-मूल्य = {18000 - 4x}/5
विक्रय-मूल्य = 3600 - 0.8x

एक गैस सिलेण्डर और एक स्टोव के विक्रय-मूल्य का योगफल:

एक गैस सिलेण्डर का विक्रय-मूल्य + एक स्टोव का विक्रय-मूल्य

= 1.25x + 3600 - 0.8x

= 0.45x + 3600

अब, दोनों के विक्रय-मूल्य का योग जब पूरी बिक्री पर 4% लाभ होता है:

विक्रय-मूल्य = {(100 + लाभ %) × क्रय-मूल्य}/100
विक्रय-मूल्य = {(100 + 4) × 4500}/100
विक्रय-मूल्य = {104 × 4500}/100
विक्रय-मूल्य = 104 × 45
विक्रय-मूल्य = 4680

हमारे पास है:

एक गैस सिलेण्डर और एक स्टोव के विक्रय-मूल्य का योगफल = 0.45x + 3600

एक गैस सिलेण्डर और एक स्टोव के विक्रय-मूल्य का योगफल = 4680

एक गैस सिलेण्डर का क्रय-मूल्य निकालने के लिए हमे इसके विक्रय-मूल्य का आपस मे तुलना करना होगा:

→ 0.45x + 3600 = 4680

→ 0.45x = 4680 - 3600

→ 0.45x = 1080

→ x = 1080/0.45

→ x = 2400

∴ एक गैस सिलेण्डर का मूल्य = x = 2400

Discussion

37.	draw a pair of tangents to a circle of radius 5cm which are inclined to each other at an angle of 60°
Answer» ANSWER: GOOD evening mai be it's HELPFUL for you thank you

37.

draw a pair of tangents to a circle of radius 5cm which are inclined to each other at an angle of 60°

Answer»

ANSWER:

GOOD evening

mai be it's HELPFUL for you

thank you

Discussion

38.	Area of a land with dimentions 43.6 ft, 24.6 ft , 47.3 ft, 26.6 ft
Answer» 1160.19 from Bretschneider's FORMULA, Δ^2 =(s−a)(s−b)(s−c)(s−d)−abcd cos^2 { (B+D)/2 } AREA = 1160.19 sq. units [it can only possible if θ+θ is given as 180]

38.

Area of a land with dimentions 43.6 ft, 24.6 ft , 47.3 ft, 26.6 ft

Answer»

1160.19

from Bretschneider's FORMULA,

Δ^2 =(s−a)(s−b)(s−c)(s−d)−abcd cos^2 { (B+D)/2 }

AREA = 1160.19 sq. units

[it can only possible if θ+θ is given as 180]

Discussion

39.	Number of diagonals in a hexagon
Answer» Answer: 9 Step-by-step EXPLANATION:

39.

Number of diagonals in a hexagon

Answer»

Answer:

9

Step-by-step EXPLANATION:

Discussion

40.	the base of a triangular field is three times its height if the cost of cultivating the field at ₹ 36 per hectare is ₹486, find its base and height (1 hectar =10000m2
Answer» Answer: Height = 300m \| Base = 900M Step-by-step EXPLANATION: LET the height of Field be = x Let the base of Field be = 3x Ar(Field) = 486/36 * 10,000 = 13.5 * 10,000 = 135,000m² Ar(Field) = 1/2 * base * height 135,000m² = 1/2 * 3x * x 135,000m² * 2 = 3x² 270,000m² = 3x² 90,000m² = x² THEREFORE, x = 300m so, 3x = 3*300 = 900m So the height is 300m and Height is 900m

40.

the base of a triangular field is three times its height if the cost of cultivating the field at ₹ 36 per hectare is ₹486, find its base and height (1 hectar =10000m2

Answer»

Answer:

Height = 300m | Base = 900M

Step-by-step EXPLANATION:

LET the height of Field be = x

Let the base of Field be = 3x

Ar(Field) = 486/36 * 10,000

= 13.5 * 10,000

= 135,000m²

Ar(Field) = 1/2 * base * height

135,000m² = 1/2 * 3x * x

135,000m² * 2 = 3x²

270,000m² = 3x²

90,000m² = x²

THEREFORE, x = 300m

so, 3x = 3*300

= 900m

So the height is 300m and Height is 900m

Discussion

41.	Find the satis a: b :c ifa:b = 5:3 & b:c=4:1
Answer» Answer: 13/5: 13/3: 13/4: 13/1

41.

Find the satis a: b :c ifa:b = 5:3 & b:c=4:1

Answer»

Answer:

13/5: 13/3: 13/4: 13/1

Discussion

42.	Simplify √294 - 5√3/2 + √252 - 3√1/6ans should be6√7+4√6
Answer» ANSWER: YES ur ANS is CORRECT ok Step-by-step explanation: ans should be 6√7+4√6

42.

Simplify √294 - 5√3/2 + √252 - 3√1/6ans should be6√7+4√6

Answer»

ANSWER:

YES ur ANS is CORRECT ok

Step-by-step explanation:

ans should be

6√7+4√6

Discussion

43.	The area of a cicle is 55.44 m^2 . Find its radius.( Answer should be 24062.5 km^2 )
Answer» ANSWER: TUFF to SLOVE this QUESTION

43.

The area of a cicle is 55.44 m^2 . Find its radius.( Answer should be 24062.5 km^2 )

Answer»

ANSWER:

TUFF to SLOVE this QUESTION

Discussion

44.	Find the value of of minus 3 multiplication of 6 multiplication of -3 multiplication of minus 3
Answer» ANSWER: ID 235 489 7704 ps 12345 only for gcomefór séx ... cóme fàst Gírlss..

44.

Find the value of of minus 3 multiplication of 6 multiplication of -3 multiplication of minus 3

Answer»

ANSWER:

ID 235 489 7704

ps 12345

only for gcomefór séx ... cóme fàst Gírlss..

Discussion

45.	I NEED ANSWER OF THIS . THIS IS FROM A SAMPLE QUESTION PAPER..HELP ME FAST
Answer» Answer: I NEED ANSWER OF THIS . THIS IS FROM A SAMPLE QUESTION PAPER.. HELP ME FAST is 50

45.

I NEED ANSWER OF THIS . THIS IS FROM A SAMPLE QUESTION PAPER..HELP ME FAST

Answer»

Answer:

I NEED ANSWER OF THIS . THIS IS FROM A SAMPLE QUESTION PAPER..

HELP ME FAST is 50

Discussion

46.	Write the equation for each of the following:If 5 is added to x it becomes 3 more than y.b. Sum of two numbers is 36.c.The difference between a number and its reciprocal is5.d. A number when multiplied by itself is 15 more than the number.pls give me answer I will mark u as brainliest
Answer» Step-by-step explanation: 5+X=3+y let the TWO no. be x& y sum of two no. is 36. x+y = 36 let the no. be x difference between x& RECIPROCAL of x is x-1/x = 5 let the no. be x X×X = 15 + X Xsquare = 15+X.

46.

Write the equation for each of the following:If 5 is added to x it becomes 3 more than y.b. Sum of two numbers is 36.c.The difference between a number and its reciprocal is5.d. A number when multiplied by itself is 15 more than the number.pls give me answer I will mark u as brainliest

Answer»

Step-by-step explanation:

5+X=3+y

let the TWO no. be x& y

sum of two no. is 36.

x+y = 36

let the no. be x

difference between x& RECIPROCAL of x is

x-1/x = 5

let the no. be x

X×X = 15 + X

Xsquare = 15+X.

Discussion

47.	This time I feel that I am alone in the crowd.ಥ‿ಥ
Answer» I am FAN of my bro. SARDAR BHAGAT SINGH I LOVE MY BRO.(BHAGAT SINGH)

47.

This time I feel that I am alone in the crowd.ಥ‿ಥ

Answer»

I am FAN of my bro. SARDAR BHAGAT SINGH

I LOVE MY BRO.(BHAGAT SINGH)

Discussion

48.	2. Find the mean of children per family from the data given blow:No. of children123345 The no. of families511251252Which mathematical concept is used in this problem?
Answer» ANSWER: MATHEMATICAL CONCEPT is : mean of ungrouped DATA

48.

2. Find the mean of children per family from the data given blow:No. of children123345 The no. of families511251252Which mathematical concept is used in this problem?

Answer»

ANSWER:

MATHEMATICAL CONCEPT is : mean of ungrouped DATA

Discussion

49.	If 7,x,23 the value of x in an AP is?
Answer» Answer: 15 step by step explination: common difference = 23-7 DIVIDED by 2 = 16/2 = 8 therefore, x = 7 + d = 7+ 8 = 15

49.

If 7,x,23 the value of x in an AP is?

Answer»

Answer:

15

step by step explination:

common difference = 23-7 DIVIDED by 2

= 16/2

= 8

therefore, x = 7 + d

= 7+ 8

= 15

Discussion

50.	F End the volue of (3) x ( 33
Answer» Answer: 9 Step-by-step EXPLANATION: first 3 multiply with 33 GIVES is equal to 99 first LETTER 9 K.Vishal HELPING hand

50.

F End the volue of (3) x ( 33

Answer»

Answer:

9

Step-by-step EXPLANATION:

first 3 multiply with 33 GIVES is equal to 99 first LETTER 9

K.Vishal HELPING hand

Discussion

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