Check the below **Online Education** NCERT MCQ Questions for Class 8 Maths Chapter 8 Comparing Quantities with Answers Pdf free download. MCQ Questions for Class 8 Maths with Answers were prepared based on the latest exam pattern. We have provided Comparing Quantities Class 8 Maths MCQs Questions with Answers to help students understand the concept very well. https://ncertmcq.com/mcq-questions-for-class-8-maths-with-answers/

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

## Comparing Quantities Class 8 MCQs Questions with Answers

**Comparing Quantities Class 8 MCQ Question 1.**

The ratio of 50 paise to Rs. 1 is

(a) 1 : 2

(b) 2 : 1

(c) 1 : 1

(d) 1 : 5.

## Answer

Answer: (a)

Hint:

Rs 1 = 100 paise

50 paise : 100 paise or 50 : 100 or 1 : 2.

**Class 8 Maths Chapter 8 MCQ Question 2.**

The ratio of 10 m to 1 km is

(a) 1 : 10

(b) 10 : 1

(c) 1 : 100

(d) 100 : 1.

## Answer

Answer: (c)

Hint:

1 km = 1000 m

10 m : 1000 m or 10 : 1000 or 1 : 100.

**Class 8 Maths Ch 8 MCQ Question 3.**

The ratio of 10 km per hour to 30 km per hour is

(a) 3 : 1

(b) 1:2

(c) 1 : 3

(d) 2 : 1.

## Answer

Answer: (c)

Hint:

10 : 30 = 1 : 3.

**MCQ On Comparing Quantities Class 8 Question 4.**

The ratio 1 : 4 converted to percentage is

(a) 50%

(b) 25%

(c) 75%

(d) 4%.

## Answer

Answer: (b)

Hint:

1 : 4 = \(\frac{1}{4}\) x 100% = 25%.

**MCQ Of Comparing Quantities Class 8 Question 5.**

The ratio 4 : 25 converted to percentage is

(a) 8%

(b) 4%

(c) 16%

(d) 25%.

## Answer

Answer: (c)

Hint:

4 : 25 = \(\frac{4}{25}\) x 100% = 16%.

**Class 8 Math Chapter 8 MCQ Question 6.**

The fraction \(\frac{2}{5}\) converted to percentage is

(a) 20%

(b) 30%

(c) 40%

(d) 50%.

## Answer

Answer: (c)

Hint:

\(\frac{2}{5}\) = \(\frac{2}{5}\) x 100% = 40%.

**MCQ Questions For Class 8 Maths Chapter 8 Question 7.**

The fraction \(\frac{1}{8}\) converted to percentage is

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

(b) 25%

(c) 8%

(d) 16%.

## Answer

Answer: (a)

Hint:

\(\frac{2}{5}\) = \(\frac{2}{5}\) x 100% = 12\(\frac{1}{2}\)%.

**Class 8 Comparing Quantities MCQ Question 8.**

Out of 40 students in a class, 25% passed. How many students passed ?

(a) 20

(b) 10

(c) 30

(d) 40.

## Answer

Answer: (b)

Hint:

∵ Out of 100, passed = 25

∴ Out of 40, passed = \(\frac{25}{100}\) x 40 = 10.

or

25% of 40 = \(\frac{25}{100}\) x 40 = 10

**Class 8 Chapter 8 Maths MCQ Question 9.**

Out of 100 students of a class, 30% like to watch T.V. How many students like to watch T.V. ?

(a) 70

(b) 50

(c) 60

(d) 30.

## Answer

Answer: (d)

Hint:

Number of students who like to watch T.V. = 30% of 100 = \(\frac{30}{100}\) x 100 = 30 .

**MCQ On Percentage For Class 8 Question 10.**

There are 50 students in a class of which 40 are boys and the rest are girls. The ratio of the number of boys and number of girls is

(a) 2 : 3

(6) 1 : 5

(c) 4:1

(d) 2:5.

## Answer

Answer: (c)

Hint:

Number of Girls = 50 – 40 = 10

Required ratio = 40 : 10 = 4 : 1.

**Class 8 Chapter 8 MCQ Question 11.**

40% of 50 students of a class are good at Science. How many students are not good at Science ?

(a) 20

(b) 30

(c) 10

(d) 40.

## Answer

Answer: (b)

Hint:

∵ Out of 100, good at Science = 40

∴ Out of 50, good at Science

= \(\frac{40}{100}\) × 50 = 20.

or

Number of students good at science

= 40% of 50 = \(\frac{40}{100}\) x 50 = 20

∴ Number of students not good at Science

= 50 – 20 = 30.

**Class 8th Maths Chapter 8 MCQ Question 12.**

Apala has Rs 200 with her. She spent 80% amount she had. How much money is left with her ?

(a)Rs 10

(b) Rs 20

(c) Rs 30

(d) Rs 40.

## Answer

Answer: (d)

Hint:

∴ Out of Rs 100, money spent = Rs 80

∴ Out of Rs 200, money spent = \(\frac{80}{100}\) x 200 = Rs 160

or

Money spent = 80% of Rs 200

= 200 x \(\frac{80}{100}\) = Rs 60

∴ Money left = Rs 200 – Rs 160 = Rs 40.

**MCQ Comparing Quantities Class 8 Question 13.**

The marked price of a book is Rs 100. The shopkeeper gives 25% discount on it. What is the sale price of the book ?

(a) Rs 100

(b) Rs 25

(c) Rs 125

(d) Rs 75.

## Answer

Answer: (d)

Hint:

Discount on Rs 100 = 25

∴ Sale price = 100 – 25 = Rs 75

**Ncert Class 8 Maths Chapter 8 MCQ Questions Question 14.**

A bag is available for Rs 90. The shopkeeper allows 10% discount on the marked price. What is the marked price of the bag ?

(a) Rs 100

(b) Rs 90

(c) Rs 110

(d) Rs 10.

## Answer

Answer: (a)

Hint:

100 – 10 = 90 .

If the bag is available for Rs 90, then marked price = Rs 100.

**Ch 8 Maths Class 8 MCQ Question 15.**

A toy marked at Rs 40 is available for Rs 32. What per cent discount is given on the marked price ?

(a) 10%

(b) 20%

(c) 25%

(d) 40%.

## Answer

Answer: (b)

Hint:

Discount = 40 – 32 = Rs 8

∴ Discount on Rs 40 = Rs 8

∴ Discount on Rs 100

= \(\frac{80}{100}\) × 10 = Rs 20

Question 16.

Meenu purchased a fridge for Rs 10000 and sold it for Rs 8000. Find her loss.

(a) Rs 8000

(b) Rs 10000

(c) Rs 2000

(d) Rs 12000

## Answer

Answer: (c)

Hint:

Loss = C.P. – S.P. = 10000 – 8000

= Rs 2000.

Question 17.

Saroj purchased a fan for Rs 1000 and sold it for Rs 1200. What is her profit ?

(a) Rs 1000

(b) Rs 1200

(c) Rs 200

(d) Rs 800.

## Answer

Answer: (c)

Hint:

Gain = S.P. – C.P. = 1200 – 1000

= Rs 200.

Question 18.

Vimla purchased a watch for Rs 500. She sold it at a loss of 20%. Find the selling price.

(a) Rs 500

(b) Rs 400

(c) Rs 300

(d) Rs 200.

## Answer

Answer: (b)

Hint:

100 – 20 = 80

∵ If C.P. is 100, then S.P. = Rs 80

∴ If C.P. is Rs 500, then S.P.

= \(\frac{80}{100}\) x 500 = Rs 400.

Question 19.

Kanti purchased a sewing machine for Rs 2000. She sold it at a loss of 40%. Find the selling price.

(a) Rs 1200

(b) Rs 400

(c) Rs 800

(d) Rs 2800.

## Answer

Answer: (a)

Hint:

100 – 40 = 60

∵ If C.P. is Rs 100, then S.P. = Rs 60

∴ If C.P. is Rs 2000, then S.P.

= \(\frac{60}{100}\) x 2000 = Rs 1200.

Question 20.

Mithlesh purchased a T.V. for Rs 10000 and sold it for Rs 8000. Find her loss %.

(a) 10%

(b) 20%

(c) 40%

(d) 60%.

## Answer

Answer: (b)

Hint:

Loss = 10000 – 8000 = 2000

∴ Loss% = \(\frac{200}{1000}\) × 100% = 20%.

Question 21.

Sapna purchased a cycle for Rs 1000 and sold it for Rs 1200. Find her gain%.

(a) 20%

(b) 10%

(c) 40%

(d) 12%.

## Answer

Answer: (a)

Hint:

Gain = 1200 – 1000 = 200

∴ Gain% = \(\frac{200}{1000}\) × 100% = 20%.

Question 22.

Find the simple interest on Rs 1000 for 2 years at 8% per annum.

(a) Rs 80

(b) Rs 40

(c) Rs 120

(d) Rs 160.

## Answer

Answer: (d)

Hint:

S.I = \(\frac{1000×2×8}{100}\) = Rs 160

Question 23.

A sofa-set was bought for Rs 10000. Its value depreciated at the rate of 10% per annum. Find its value after one year.

(a) Rs 11000

(b) Rs 9000

(c) Rs 10000

(d) Rs 1000.

## Answer

Answer: (b)

Hint:

Depreciation in 1 year = 10000 x \(\frac{10}{100}\) = Rs 1000

∴ Value after 1 year

= 10000 – 1000 = Rs 9000.

Question 24.

There are 1275 trees in Chaudhary Farm. Out of these 36% trees are of fruits. How many trees of fruits are there in Chaudhary Farm ?

(a) 459

(b) 549

(c) 945

(d) 954.

## Answer

Answer: (a)

Hint:

Required number = \(\frac{1275×36}{100}\) = Rs 459

Question 25.

The quantity of protein in a particular variety of pulse is 25%. Find the amount of protein in 4 kg of pulse.

(a) 1 kg

(b) 2 kg

(c) 3 kg

(d) 4 kg.

## Answer

Answer: (a)

Hint:

Amount of protein = 4 × \(\frac{25}{100}\) = 1 kg

Question 26.

In a miRsture the amount of zinc is 45%. Find the amount of zinc in 400 g miRsture.

(a) 60 g

(b) 120 g

(c) 180 g

(d) 200 g.

## Answer

Answer: (c)

Hint:

Amount of zinc = 400 × \(\frac{45}{100}\) = 180 kg

Question 27.

In a school out of 340 students, 55% students are of Science. The remaining students are of Commerce. Find the number of students of Commerce.

(a) 135

(b) 153

(c) 315

(d) 140.

## Answer

Answer: (b)

Hint:

Number of Science students

= 340 x \(\frac{55}{100}\) = 187.

∴ Number of students of Commerce

= 340 – 187 = 153.

Question 28.

The salary of Manish is Rs 10000. His salary gets increased by 10%. Find his increased salary.

(a) Rs 9000

(b) Rs H000

(c) Rs 8000

(d) Rs 12000.

## Answer

Answer: (b)

Hint:

Increase in salary

= 10000 x \(\frac{10}{100}\) = Rs 1000

∴ Increased salary

= Rs 10000 + Rs 1000 = Rs 11000.

Question 29.

A shopkeeper purchased 2 refrigerators for Rs 9800 and Rs 8200 respectively. He sold them for Rs 16920. Find loss%.

(a) 2%

(b) 4%

(c) 5%

(d) 6%.

## Answer

Answer: (d)

Hint:

Total C.P. = 9800 + 8200 = Rs 18000

S.P. = Rs 16920

∴ Loss = Rs 18000 – Rs 16920 = Rs 1080

∴ Loss % = \(\frac{1080}{18000}\) x 100% = 6%.

Question 30.

In selling a plot of land for Rs 61200, a profit of 20% is made. The cost price of the plot is

(a) Rs 51000

(b) Rs 50000

(c) Rs 49000

(d) Rs 52000.

## Answer

Answer: (a)

Hint:

∵ If S.P. is Rs 120(100 + 20),

C.P. = Rs 100

∴ If S.P. is Rs 61200

C.P. = \(\frac{100}{120}\) x 61200 = Rs 51000

Question 31.

The simple interest on Rs 2000 for 4 years is Rs 400. The rate per cent of interest is

(a) \(\frac{2000×100}{400×4}\)

(b) \(\frac{400×4}{2000×10}\)

(c) \(\frac{400×100}{2000×4}\)

(d) \(\frac{2000×4}{400×100}\)

## Answer

Answer: (c)

Hint:

\(\frac{2000×4×R}{100}\) = 400

⇒ R = \(\frac{400×100}{2000×4}\) = 5

Question 32.

The simple interest of Rs 500 at the rate of 5% is Rs 100. This interest is of the time.

(a) 1 year

(b) 4 years

(c) 10 years

(d) 20 years.

## Answer

Answer: (b)

Hint:

\(\frac{500×5×T}{100}\) = 100

⇒ T = \(\frac{100×100}{500×5}\) = 4

Question 33.

The S.I. of Rs 100 of 1 year at the rate of 3 paise per rupee per month is

(a) Rs 30

(b) Rs 36

(c) Rs 24

(d) Rs 48.

## Answer

Answer: (b)

Hint:

S.I = 100 × 1 ×(3 × 12) = 3600 paise = Rs 36

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