# MCQ Questions for Class 7 Maths Chapter 8 Comparing Quantities with Answers

Students are advised to solve Comparing Quantities Multiple Choice Questions of Class 7 Maths to know different concepts. Practicing the MCQ Questions on Comparing Quantities Class 7 with answers will boost your confidence thereby helping you score well in the exam.

Explore numerous MCQ Questions of Comparing Quantities Class 7 with answers provided with detailed solutions by looking below.

Question 1.

Convert 0.09 into per cent.

(a) 9%

(b) 8%

(c) 10%

(d) None of these

## Answer

Answer: (a) 9%

Given number is multiplied by 100 and then divided by 100.

Question 2.

Convert 0.2 into per cent.

(a) 200%

(b) 2%

(c) 20%

(d) None of these

## Answer

Answer: (c) 20%

Given number is multiplied by 100 and then divided by 100.

Question 3.

If 65% of students in a class have bicycle, what per cent of the students do not have bicycles ?

(a) 35%

(b) 25%

(c) 45%

(d) None of these

## Answer

Answer: (a) 35%

Given number is subtracted from 100.

Question 4.

What per cent of the adjoining figure is shaded ?

(a) 50%

(b) 40%

(c) 100%

(d) None of these

## Answer

Answer: (a) 50%

As half of the given figure is shaded.

Question 5.

What per cent of the given figure is shaded ?

(a) 75%

(b) 50%

(c) 25%

(d) None of these

## Answer

Answer: (a) 75%

As 3 parts out of 4 are shaded.

Question 6.

A survey of 40 children showed that 25% liked playing football. How many children liked playing football ?

(a) 10

(b) 20

(c) 30

(d) None of these

## Answer

Answer: (a) 10

Total number of children are 40 out of these 25% means — no. of children like playing football, i.e., 10 out of 40.

Question 7.

Find 50% of 164.

(a) 72

(b) 62

(c) 82

(d) None of these

## Answer

Answer: (c) 82

50% means half of the 164 or 50 is divided by 100 and by the result 164 is divided.

Question 8.

Rahul has saved Rs. 20 when a discount of 25% was given. What was the price of the sweater before the discount ?

(a) 70

(b) 60

(c) 80

(d) None of these

## Answer

Answer: (c) 80

Rahul has saved Rs. 20 when price of sweater is reduced by 25%. This means that 25% reduction in price is the amount saved by Rahul. P = 4 x 20 = 80.

Question 9.

Convert the given fractional numbers \(\frac{1}{8}\) into percentage.

(a) 12.5%

(b) 13.5%

(c) 14.5%

(d) None of these

## Answer

Answer: (a) 12.5%

Given number is multiplied by 100 then solved.

Question 10.

Convert the given decimal fractions to per cent

(a) 6.5%

(b) 0.065%

(c) 65%

(d) None of these

## Answer

Answer: (c) 65%

First decimal is removed and then multiplied by 100.

Question 11.

Find 75% of 1 kg.

(a) 750 g

(b) 75 g

(c) .750 g

(d) None of these

## Answer

Answer: (a) 750 g

1 kg is converted into grams then multiplied by 75 and then divided by 100.

Question 12.

Find the whole quantity if 5% of it is 600.

(a) 1200

(b) 120

(c) 12000

(d) None of these

## Answer

Answer: (c) 12000

Six is multiplied by 100 and the product is divided by 5.

Question 13.

Gardening shares are bought for Rs. 250 and sold for Rs. 325. What is the profit ?

(a) Rs. 75

(b) Rs. 50

(c) Rs. 25

(d) None of these

## Answer

Answer: (a) Rs. 75

Profit = S.P. – C.P.

Question 14.

Find loss if CP is 250 and SP is Rs. 150.

(a) Rs. 50

(b) Rs. 100

(c) Rs. 15

(d) None of these

## Answer

Answer: (b) Rs. 100

Loss = C.P. – S.P.

Question 15.

Find interest if Principal = Rs. 1200, rate of interest = 12% p.a. and Time 1 year.

(a) Rs. 144

(b) Rs. 244

(c) Rs. 344

(d) None of these

## Answer

Answer: (a) Rs. 144

Interest = \(\frac{P × T × R}{100}\)

Question 16.

If Meena gives an interest of Rs. 45 for one year at 9% rate p.a. What is the sum she has borrowed ?

(a) Rs. 400

(b) Rs. 300

(c) Rs. 500

(d) None of these

## Answer

Answer: (c) Rs. 500

Principal = \(\frac{I × 100}{R × T}\)

Question 17.

To compare two quantities the units must be :

(a) same

(b) different

(c) None of these

## Answer

Answer: (a) same

Comparision can be done of only same quantities.

Question 18.

Find the ratio of 3 km to 300 m.

(a) 1 : 100

(b) 10 : 1

(c) 1:1

(d) None of these

## Answer

Answer: (b) 10 : 1

First convert both distances to the same unit. Then compare them.

Question 19.

Are the ratio 1 : 2 and 2 : 3 equivalent ?

(a) Equivalent

(b) Not equivalent

(c) None of these

## Answer

Answer: (b) Not equivalent

After making the denominator equal the numerators are different.

Question 20.

6 bowls cost Rs. 90. What would be the cost of 10 such bowls ?

(a) Rs. 100

(b) Rs. 200

(c) Rs. 150

(d) None of these

## Answer

Answer: (b) Rs. 200

By unit method cost of 10 bowls is calculated.

Question 21.

The car that I own can go 150 km with 25 litres of petrol. How far can it go with 30 litres of petrol ?

(a) 180 km

(b) 200 km

(c) 150 cm

(d) None of these

## Answer

Answer: (a) 180 km

By unit method distance is calculated.

Question 22.

Find the ratio of Rs. 5 to 50 Paise.

(a) 10 : 1

(b) 100 : 1

(c) 1:1

(d) None of these

## Answer

Answer: (a) 10 : 1

Rs. 5 means 500 paise, so 500 paise ratio to 50 paise is 10 : 1.

Question 23.

Find the ratio of 15 kg. to 210 g.

(a) 50 : 7

(b) 5 : 7

(c) 500 : 7

(d) None of these

## Answer

Answer: (c) 500 : 7

15 kg in grams are 15000 grams. Ratio of 15000 grams to 210

grams is 500 : 7.

Question 24.

Find the ratio of 9 m to 27 cm.

(a) 10 : 3

(b) 100 : 3

(c) 1000 : 3

(d) None of these

## Answer

Answer: (b) 100 : 3

9 metre in cms are 900 cm, ratio of 900 cm to 27 is 100 : 3.

Question 25.

Find the ratio of 30 days to 36 hrs.

(a) 20 : 1

(b) 200 : 1

(c) 2 : 1

(d) None of these

## Answer

Answer: (a) 20 : 1

There are 720 hours in 30 days. Therefore ratio of 720 hr. and 36 hr. becomes 20 : 1.

Question 26.

Which is better for comparison in the atmosphere : 1 g of air contains :

(a) 0.78 g nitrogen

(b) 0.21 g oxygen

(c) 0.01 g other gases

(d) None of these

## Answer

Answer: (a) 0.78g nitrogen

As in one gram of air, nitrogen is maximum.

Question 27.

Write \(\frac{1}{3}\)% as per cent

(a) 33\(\frac{1}{3}\)%

(b) 30\(\frac{1}{3}\)%

(c) 3\(\frac{1}{3}\)%

(d) None of these

## Answer

Answer: (a) 33\(\frac{1}{3}\)%

Number is mulitplied by 100 and then converted into proper fraction.

Question 28.

Out of 25 children in a class, 15 are girls. What is the percentage of girls?

(a) 50%

(b) 40%

(c) 60%

(d) None of these

## Answer

Answer: (c) 60%

15 is multiplied by 100 and product is divided by 25.

Question 29.

Convert \(\frac{5}{4}\) to per cent.

(a) 125%

(b) 120%

(c) 100%

(d) None of these

## Answer

Answer: (a) 125%

5 is multiplied by 100 and product is divided by 4. .

Question 30.

Convert 0.75 into per cent.

(a) 75%

(b) 65%

(c) 55%

(d) None of these

## Answer

Answer: (a) 75%

Given number is multiplied by 100 and then divided by 100.

Question 31.

There are 25 radios, 16 of them are out of order. What percent of radios are out of order?

(a) 64%

(b) 75%

(c) 50%

(d) None of these

## Answer

Answer: (a) 64%

Question 32.

A school team won 6 games this year against 4 games won last year. What is the percent increase?

(a) 10%

(b) 25%

(c) 75%

(d) 50%

## Answer

Answer: (d) 50%

Question 33.

Which is the greatest?

(a) \(\frac { -5 }{ 11 }\)

(b) \(\frac { 5 }{ -12 }\)

(c) \(\frac { -5 }{ 17 }\)

(d) \(\frac { -5 }{ 13 }\)

## Answer

Answer: (c) \(\frac { -5 }{ 17 }\)

Question 34.

What will be 5% to fractions in simplest form?

(a) \(\frac { 1 }{ 30 }\)

(b) \(\frac { 1 }{ 10 }\)

(c) \(\frac { 2 }{ 15 }\)

(d) \(\frac { 1 }{ 20 }\)

## Answer

Answer: (d) \(\frac { 1 }{ 20 }\)

Question 35.

Rahul bought a sweater and saved Rs 20 when a discount of 25% was given. What was the price of the sweater before the discount?

(a) Rs 80

(b) Rs 40

(c) Rs 60

(d) Rs 100

## Answer

Answer: (a) Rs 80

Question 36.

Find the ratio of 15 kg to 210 g

(a) 750:11

(b) 500:7

(c) 7:500

(d) 9:250

## Answer

Answer: (b) 500:7

Question 37.

Out of 32 students, 8 are absent. What percent of the students are present?

(a) 50%

(b) 10%

(c) 25%

(d) 75%

## Answer

Answer: (d) 75%

Question 38.

The ratio of 90 cm to 1.5 m is

(a) It is 5:3

(b) It is 3:2

(c) It is 3:5

(d) None of these

## Answer

Answer: (c) It is 3:5

Question 39.

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

Question 40.

What is the difference between the greatest and least numbers of \(\frac { 5 }{ 9 }\), \(\frac { 1 }{ 9 }\) and \(\frac { 11 }{ 9 }\)?

(a) \(\frac { 2 }{ 9 }\)

(b) \(\frac { 4 }{ 9 }\)

(c) \(\frac { 10 }{ 9 }\)

(d) \(\frac { 2 }{ 3 }\)

## Answer

Answer: (c) \(\frac { 10 }{ 9 }\)

Question 41.

What type of a number is \(\frac { -3 }{ 0 }\)?

(a) A positive rational number.

(b) A negative rational number.

(c) Either a positive or a negative rational number.

(d) Neither a positive nor a negative rational number.

## Answer

Answer: (d) Neither a positive nor a negative rational number.

Question 42.

Find the ratio of Speed of a cycle 15 km per hour to the speed of scooter 30 km per hour.

(a) It is 2:1

(b) It is 1:3

(c) It is 1:2

(d) It is 3:1

## Answer

Answer: (c) It is 1:2

Question 43.

A picnic is being planned in a school for Class VII. Girls are 60% of the total number of students and are 18 in number. The ratio of the number of girls to the number of boys in the class is

(a) It is 2:3

(b) It is 3:1

(c) It is 3:2

(d) None of these

## Answer

Answer: (c) It is 3:2

Question 44.

The car that I own can go 150 km with 25 litres of petrol. How far can it go with 30 litres of petrol?

(a) 180 km

(b) 200 km

(c) 210 km

(d) None of these

## Answer

Answer: (a) 180 km

Question 45.

Convert \(\frac { 1 }{ 8 }\) to percent

(a) 125%

(b) 12.5%

(c) 7.5%

(d) 28%

## Answer

Answer: (b) 12.5%

Question 46.

Find the ratio of 3 km to 300 m.

(a) It is 10:1

(b) It is 1:5

(c) It is 1:10

(d) None of these

## Answer

Answer: (a) It is 10:1

Question 47.

A survey of 40 children showed that 25% liked playing football. How many children not liked playing football?

(a) 10

(b) 30

(c) 5

(d) 20

## Answer

Answer: (b) 30

Match the following:

Question 1.

1. 1% | a. 21% |

2. 0.21 | b. 125% |

3. \(\frac{5}{4}\) | c. 9% |

4. .09 | d. .01 |

## Answer

Answer:

1. 1% | d. .01 |

2. 0.21 | a. 21% |

3. \(\frac{5}{4}\) | b. 125% |

4. .09 | c. 9% |

Question 2.

1. 1% | a. \(\frac{1}{10}\) |

2. 10% | b. \(\frac{1}{4}\) |

3. 25% | c. \(\frac{1}{2}\) |

4. 50% | d. \(\frac{1}{100}\) |

## Answer

Answer:

1. 1% | d. \(\frac{1}{100}\) |

2. 10% | a. \(\frac{1}{10}\) |

3. 25% | b. \(\frac{1}{4}\) |

4. 50% | c. \(\frac{1}{2}\) |

Question 3.

1. | a. 25% |

2. | b. 50% |

3. | c. 75% |

4. | d. 100% |

## Answer

Answer:

1. | b. 50% |

2. | a. 25% |

3. | d. 100% |

4. | c. 75% |

Fill in the blanks:

1. To compare two quantities, the units must be the ………….

## Answer

Answer: same

2. In the ratio a : b, the quantities a and b are called ………….

## Answer

Answer: terms

3. An equality of 2 ratios is called ………………

## Answer

Answer: proportion

4. More the number of articles, more is the ………….

## Answer

Answer: value

5. …………….. the number of articles, less is the value.

## Answer

Answer: less

6. Per cent (%) means out of ……………

## Answer

Answer: hundred

7. The money paid to buy an item is called its …………..

## Answer

Answer: cost price

8. The money received by someone on selling an article is called …………. price

## Answer

Answer: selling

9. When S.P. > C.P. then there is ………….

## Answer

Answer: profit

10. When C.P. > S.P. then there is …………..

## Answer

Answer: loss

11. The money borrowed or lend is called ……………

## Answer

Answer: principal

12. The additional money paid by the borrower to the lender after a specific period of time is called …………

## Answer

Answer: interest

13. The interest paid yearly or per annum on every Rs. 100 is called the per cent per anuum ……………

## Answer

Answer: rate

14. Profit or loss are calculated on the basis of the ……………..

## Answer

Answer: cost price

15. An equality of 2 ratios is called ……………

## Answer

Answer: proportion

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