### Grade 8 Maths Comparing Quantities Multiple Choice Questions (MCQs)

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

(a) 2 : 1

(b) 1 : 2

(c) 4 : 5

(d) None of these

2. **72% of 25 students are good in hindi, how many are not good in hindi?**

(a) 16

(b) 14

(c) 18

(d) 7

3. **There are 25 radios, 16 of them are out of order. What per cent of radios are out of order?**

(a) 75%

(b) 64%

(c) 60%

(d) None of these

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

(a) ₹ 30

(b) ₹ 40

(c) ₹ 60

(d) ₹ 80

5. **A school team won 6 games this year against 4 games won last year. What is the per cent increase?**

(a) 75%

(b) 50%

(c) 60%

(d) None of these

6. **A football team won 10 matches out of the total number of matches they played. If their win percentage was 40, then how many matches did they play in all?**

(a) 10

(b) 25

(c) 40

(d) None of these

7. **Mohit bought a CD for ₹ 750 and sold it ₹ 875. Find his gain or loss per cent.**

(a) 5%

(b) 16%

(c) 6%

(d) 16%

8. **A vendor brought oranges at 20 for ₹ 56 and sold them at ₹ 35 per dozen. Find his gain or loss percent.**

(a) 5%

(b) 4%

(c) 6%

(d) 16%

9. **A trader marks his goods at 40% above the cost price and allows a discount of 25%. What is his gain?**

(a) ₹ 118

(b) ₹ 175

(c) ₹ 105

(d) None of these

10. **On selling a fan for ₹ 810. Sunil gains 8%. For how much did he purchase it?**

(a) ₹ 780

(b) ₹ 750

(c) ₹ 760

(d) None of these

11. **The boys and girls in a school are in the ratio of 8 : 5. If the number of girls is 160, what is the total strength of the school?**

(a) 250

(b) 260

(c) 356

(d) 416

12. **What sum will amount to ₹ 4590 at 12% per annum simple interest in 3 years?**

(a) ₹ 3500

(b) ₹ 3375

(c) ₹ 3750

(d) None of these

13. **At what rate per cent per annum will ₹ 1650 amount to ₹ 2046 in 3 years?**

(a) 8%

(b) 4%

(c) 6%

(d) 16%

14. **At what rate per cent per annum simple interest will a sum treble itself in 16 years?**

(a) 12%

(b) 12.5%

(c) 15%

(d) 16%

15. **At what rate per cent per annum simple interest will a sum be double itself in 8 years?**

(a) 15%

(b) 14%

(c) 16%

(d) 12%

16. **What will be the bill amount if the cost of a toy is ₹ 450 and the sales tax charged is 5%?**

(a) ₹ 472.5

(b) ₹ 437.5

(c) ₹ 460

(d) ₹ 455

17. **If the simple interest on a sum of money at 5% per annum for 3 years is ₹ 1200, then the compound interest on the same sum for the same period at the same rate will be:**

(a) ₹ 1225

(b) ₹ 1236

(c) ₹ 1248

(d) ₹ 1261

18. **The compound interest on ? 8,000 at 5% per annum for 3 years, compounded annually is:**

(a) ₹ 1225

(b) ₹ 1236

(c) ₹ 1248

(d) ₹ 1261

19. **In what time will be ₹ 1000 amount to ₹ 1331 at 10% per annum compounded annually?**

(a) 2 years

(b) 2 years

(c) 3 years

(d) 4 years

20. **The compounded interest on ₹ 30000 at 7% per annum for a certain time is ₹ 4347. The time is:**

(a) 2 years

(b) 2 years

(c) 3 years

(d) 4 years

### Class 8 Maths Comparing Quantities Fill In The Blanks

1. 7% of ₹ 1200 = ………………..

2. 240 ml is …………….. % of 3l.

3. If x% of 35 is 42, then x = ………………….

4. = ………………. %

5. 120 = …………………. % of 80.

### Class 8 Maths Comparing Quantities True(T) Or False(F)

1. SP = × CP

2. Gain is calculated on the selling price.

3. 6 hours = 25% of a day.

4. 6% of 8 is 48.

5. If 5 cows graze the field in 4 days, then 4 cows will graze the same field in 5 days.

### Class 8 Maths Comparing Quantities Very Short Answer Type Questions

1. Find the ratio of 3 km to 300 m.

2. A map is given with a scale of 2 cm = 1000 km. What is the actual distance between the two places in kms, if the distance in the map is 2.5 cm?

3. 6 bowls cost ₹ 90. What would be the cost of 10 such bowls?

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

5. The ratio of 90 cm to 1.5 m is:

6. A picnic is being planned is a school for class VIII. 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:

### Class 8 Maths Comparing Quantities Short Answer Type Questions

1. If 23% of a is 69, then find a.

2. x is 5% of y, y is 24% of z. If x = 480, find the values of y and z.

3. A number is increased by 10% and then it is decreased by 10%. Find the net increase or decrease per cent.

4. If the cost of 18 mangoes is the same as the selling rice of 16 mangoes, find the gain per cent.

### Class 8 Maths Comparing Quantities Long Answer Type Questions

1. Find the single discount equivalent to two successive discounts of 20% and 10%.

2. Find the principal, if the compound interest compounded annually at the rate of 10% per

annum for three years in ₹ 331.

3. On selling 100 pens, a man gains the selling price of 20 pens. Find the gain per cent.