Check the below NCERT MCQ Questions for Class 7 Maths Chapter 8 Comparing Quantities with Answers Pdf free download. MCQ Questions for Class 7 Maths with Answers were prepared based on the latest exam pattern. We have provided Comparing Quantities Class 7 Maths MCQs Questions with Answers to help students understand the concept very well.

Students can also refer to NCERT Solutions for Class 7 Maths Chapter 8 Comparing Quantities for better exam preparation and score more marks.

## Comparing Quantities Class 7 MCQs Questions with Answers

Question 1.

The ratio of Rs 10 to 50 paise is

(a) 20 : 1

(b) 10 : 1

(c) 5 : 1

(d) 1 : 20

## Answer

Answer: (a) 20 : 1

Hint:

Rs 10 : 50 paise = 10 × 100 paise: 50 paise

= 1000 : 50 = 20 : 1

Question 2.

The ratio of 6 kg to 400 g is

(a) 10 : 1

(b) 15 : 1

(c) 12 : 1

(d) 6 : 1

## Answer

Answer: (b) 15 : 1

Hint:

6 kg : 400 g = 6 × 1000 g : 400 g

= 6000 : 400 = 15 : 1.

Question 3.

The ratio of 3 m to 60 cm is

(a) 4 : 1

(b) 3 : 1

(c) 5 : 1

(d) 2 : 1

## Answer

Answer: (c) 5 : 1

Hint:

3 m : 60 cm = 3 × 100 cm : 60 cm

= 300 : 60 = 5 : 1.

Question 4.

The ratio of 15 days to 72 hours is

(a) 2 : 1

(b) 3 : 1

(c) 4 : 1

(d) 5 : 1

## Answer

Answer: (d) 5 : 1

Hint:

15 days : 72 hours

= 15 × 24 hours : 72 hours

= 15 × 24 : 72 = 5 : 1.

Question 5.

The ages of father and son are 45 years and 10 years. The ratio of their ages is

(a) 3 : 2

(b) 5 : 2

(c) 9 : 2

(d) 15 : 2

## Answer

Answer: (c) 9 : 2

Hint:

45 years : 10 years ⇒ 9 : 2

Question 6.

The cost of 3 envelopes is ₹ 15. Find the cost of 5 envelopes.

(a) ₹ 20

(b) ₹ 25

(c) ₹ 30

(d) ₹ 40

## Answer

Answer: (b) ₹ 25

Hint:

3 : 5 = 15 : x

⇒ \(\frac{3}{5}\) = \(\frac{15}{x}\) ⇒ x = 25

Question 7.

The cost of 7 kg of potatoes is ₹ 42. How many kg of potatoes can be purchased for ₹ 96?

(a) 10 kg

(b) 12 kg

(c) 15 kg

(d) 16 kg

## Answer

Answer: (d) 16 kg

Hint:

7. 7 : x = 42 : 96

⇒ \(\frac{7}{x}\) = \(\frac{42}{96}\) ⇒ x = 16

Question 8.

The cost of 4 m of cloth is Rs 40. Find the cost of 9 m of cloth.

(a) ₹ 90

(b) ₹ 60

(c) ₹ 50

(d) ₹ 40

## Answer

Answer: (a) ₹ 90

Hint:

8. 4 : 9 = 40 : x

⇒ \(\frac{4}{9}\) = \(\frac{40}{x}\) ⇒ x = 90

Question 9.

The cost of 8 pencils is ₹ 10. Find the cost of 20 pencils.

(a) ₹ 20

(b) ₹ 25

(c) ₹ 24

(d) ₹ 30

## Answer

Answer: (b) ₹ 25

Hint:

8 : 20 = 10 : x

⇒ \(\frac{8}{20}\) = \(\frac{10}{x}\) ⇒ x = 25

Question 10.

A motorcycle goes 120 km in 3 l of petrol. How much petrol will be required to go 600 km?

(a) 10 l

(b) 12 l

(c) 15 l

(d) 20 l

## Answer

Answer: (c) 15 l

Hint:

120 : 600 = 3 : x

⇒ \(\frac{120}{600}\) = \(\frac{3}{x}\) ⇒ x = 15

Question 11.

\(\frac { 1 }{ 4 } \) as per cent is

(a) 20%

(b) 25%

(c) 30%

(d) 12 \(\frac { 1 }{ 2 } \)%

## Answer

Answer: (b) 25%

Hint:

\(\frac{1}{4}\) = \(\frac{1}{4}\) × 100% = 25%

Question 12.

\(\frac { 1 }{ 8 } \) as per cent is

(a) 25%

(b) 121%

(c) 20%

(d) 16%

## Answer

Answer: (b) 121%

Hint:

\(\frac{1}{8}\) = \(\frac{1}{8}\) × 100% = 12\(\frac{1}{2}\)%

Question 13.

\(\frac { 5 }{ 2 } \) as per cent is

(a) 125%

(b) 150%

(c) 200%

(d) 250%

## Answer

Answer: (d) 250%

Hint:

\(\frac{5}{2}\) = \(\frac{5}{2}\) × 100% = 250%

Question 14.

0.1 as per cent is

(a) 1%

(b) 10%

(c) 100%

(d) 0.1%

## Answer

Answer: (b) 10%

Hint:

0.1 = \(\frac{1}{10}\) = \(\frac{1}{10}\) × 100% = 10%

Question 15.

0.04 as per cent is

(a) 10%

(b) 20%

(c) 25%

(d) 4%

## Answer

Answer: (d) 4%

Hint:

0.04 = \(\frac{4}{100}\) = \(\frac{4}{100}\) × 100% = 4%

Question 16.

\(\frac { 2 }{ 2 } \) as per cent is

(a) 19%

(b) 10%

(c) 100%

(d) none of these

## Answer

Answer: (c) 100%

Hint:

\(\frac{2}{2}\) = \(\frac{2}{2}\) × 100% = 100%

Question 17.

Out of 40 children in a class, 10 are boys. What is the percentage of boys?

(a) 10%

(b) 40%

(c) 4%

(d) 25%

## Answer

Answer: (d) 25%

Hint:

Percentage of boys = \(\frac{10}{40}\) × 100% = 25%

Question 18.

Out of 25 students, 5 are absent. What per cent of the students are absent?

(a) 10%

(b) 20%

(c) 25%

(d) 30%

## Answer

Answer: (b) 20%

Hint:

Per cent of students that are absent = \(\frac{5}{25}\) × 100% = 20%

Question 19.

A shop has 50 televisions, out of which 5 are defective, defective? What per cent are

(a) 5%

(b) 10%

(c) 50%

(d) 25%

## Answer

Answer: (b) 10%

Hint:

Percentage of defective television = \(\frac{5}{50}\) × 100% = 10%

Question 20.

There are 100 voters. 50 of them votes yes. What per cent voted yes?

(a) 10%

(b) 25%

(c) 50%

(d) 15%

## Answer

Answer: (c) 50%

Hint:

Required percentage = \(\frac{50}{100}\) × 100% = 50%

Question 21.

If 40% of students in a class are Hindus, what per cent of the students are non – Hindus?

(a) 40%

(b) 10%

(c) 50%

(d) 60%

## Answer

Answer: (d) 60%

Hint:

100% – 40% = 60%.

Question 22.

A basket is full of bananas, mangoes and apples. If 50% are mangoes, 30% are apples, then what per cent are bananas?

(a) 10%

(b) 20%

(c) 25%

(d) 40%

## Answer

Answer: (b) 20%

Hint:

Required percentage

= 100% – (50% + 30%) = 20%.

Question 23.

What is 5% of 200?

(a) 2

(b) 5

(c) 10

(d) 100

## Answer

Answer: (c) 10

Hint:

5% of 200 = \(\frac{5}{100}\) × 200 = 10

Question 24.

What is 12 \(\frac { 1 }{ 2 } \) % of 200?

(a) 25

(b) 12

(c) 40

(d) 100

## Answer

Answer: (a) 25

Hint:

12\(\frac{1}{2}\)% of 200 = \(\frac{25}{2}\) = \(\frac{200}{100}\) = 25

Question 25.

There are 40 children in a class. 25% like playing football. How many children like playing football?

(a) 10

(b) 20

(c) 30

(d) 40

## Answer

Answer: (a) 10

Hint:

Number of children who like playing football = \(\frac{25}{100}\) × 40 = 10

Question 26.

The salary of Manish is ₹ 4000. He saves 10% of his salary. How much does he save?

(a) ₹ 400

(b) ₹ 2000

(c) ₹ 3000

(d) ₹ 4000

## Answer

Answer: (a) ₹ 400

Hint:

Money that he saves = \(\frac{10}{100}\) × 4000 = Rs 400

Question 27.

Convert \(\frac { 1 }{ 5 } \) to per cent

(a) 10%

(b) 20%

(c) 40%

(d) 80%

## Answer

Answer: (b) 20%

Hint:

\(\frac{1}{5}\) = \(\frac{1}{5}\) × 100% = 20%

Question 28.

A traveller covered 8% of his total journey which is 50 km long on foot. How many kilometre did he cover on foot?

(a) 1 km

(b) 2 km

(c) 3 km

(d) 4 km

## Answer

Answer: (d) 4 km

Hint:

8% of 50 = \(\frac{8}{100}\) × 50 = 4 km

Question 29.

In a particular kind of pulses, the quantity of protein is 25%. How much protein is there in 4 kg of that pulse?

(a) 1kg

(b) 2kg

(c) 3kg

(d) 4kg

## Answer

Answer: (a) 1kg

Hint:

Required amount of protein

= \(\frac{25}{100}\) × 4 = 1 kg

Question 30.

Meenu purchased a coat for 7 600. She had to pay 4% sales tax on it. Find the amount of sales tax.

(a) ₹ 24

(b) ₹ 16

(c) ₹ 20

(d) ₹ 32

## Answer

Answer: (a) ₹ 24

Hint:

Amount of sales tax

= 600 × \(\frac{4}{100}\) = Rs 24

Question 31.

The price of petrol has risen from ₹ 48 to ₹ 52 a litre. By what per cent has the price risen up?

(a) \(\frac { 25 }{ 3 } \) % or 8.33%

(b) 25%

(c) 4%

(d) 40%

## Answer

Answer: (a) \(\frac { 25 }{ 3 } \) % or 8.33%

Hint:

Required percentage

= \(\frac{52-48}{48}\) × 100% = \(\frac{25}{3}\) % or 8.33%.

Question 32.

₹ 100 are to be divided between Apala and Meenu. Apala gets 60%. What does Meenu get?

(a) ₹ 10

(b) ₹ 20

(c) ₹ 30

(d) ₹ 40

## Answer

Answer: (d) ₹ 40

Hint:

Amount that Meenu gets

= (100% – 60%) × 100

= \(\frac{40}{100}\) × 100 = Rs 40

Question 33.

The angles of a triangle are in the ratio 1 : 1 : 2. What is the largest angle?

(a) 90°

(b) 45°

(c) 30°

(d) 60°

## Answer

Answer: (a) 90°

Hint:

Largest angle = \(\frac{2}{1+1+2}\) × 180° = 90°

Question 34.

The marks in a test decreased from 40 to 30. The percentage decrease is

(a) 10%

(b) 20%

(c) 25%

(d) 40%

## Answer

Answer: (c) 25%

Hint:

Percentage decrease = \(\frac{40-30}{40}\) × 100% = 25%

Question 35.

The number of students in 2008 was 1000. It became 1100 in 2009. The percentage increase is

(a) 10%

(b) 5%

(c) 100%

(d) 1000%

## Answer

Answer: (a) 10%

Hint:

Percentage increase = \(\frac{1100-1000}{1000}\) × 100% = 10%

Question 36.

An article was purchased for ₹ 100 and sold for ₹ 120. What is the profit?

(a) ₹ 20

(b) ₹ 100

(c) ₹ 120

(d) None of these

## Answer

Answer: (a) ₹ 20

Hint:

Profit = Rs 120 – Rs 100 = Rs 20.

Question 37.

A watch was purchased for ₹ 316 and sold for ₹ 300. What is the loss?

(a) ₹ 16

(b) ₹ 8

(c) ₹ 24

(d) ₹ 32

## Answer

Answer: (a) ₹ 16

Hint:

Loss = Rs 316 – Rs 300 = Rs 16.

Question 38.

A shopkeeper bought a table for ₹ 500 and sold it for ₹ 400. Find the loss percentage.

(a) 10%

(b) 20%

(c) 40%

(d) 50%

## Answer

Answer: (b) 20%

Hint:

Loss percentage

= \(\frac{500-400}{500}\) × 100% = 20%

Question 39.

Meenu purchased an item for ₹ 800 and sold the same for ₹ 1000. The gain percentage is

(a) 25%

(b) 20%

(c) 40%

(d) 50%

## Answer

Answer: (a) 25%

Hint:

Gain percentage

= \(\frac{1000-800}{800}\) × 100% = 25%

Question 40.

The interest on a sum of ₹ 2500 for 4 years at the interest rate 4% is

(a) ₹ 100

(b) ₹ 200

(c) ₹ 300

(d) ₹ 400

## Answer

Answer: (d) ₹ 400

Hint:

Interest = \(\frac{2500×4×4}{100}\) = RS 400.

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