Teacher's Resources

8. Percentage and Its Applications

Click the correct answer (True & False).

The ratio of two quantities is possible only if they are in the same unit.

True

False

To compare the rate of change in two quantities expressed in different units, we use proportion.

True

False

40% of 50 is not equal to 50% of 40.

True

False

If the rate of interest is doubled keeping other things the same, then the simple interest also doubles.

True

False

Profit or loss per cent is always calculated on C.P.

True

False

Extra money paid for the use of borrowed money is called interest.

True

False

Amount = Principal – Interest

True

False

0.05 is equivalent to 5%.

True

False

Profit percentage = (Profit ÷ S.P.) × 100

True

False

The money lent or borrowed is called the amount.

True

False

Click the correct answer.

What is the ratio of 4 km to 1,800 m?

4 : 18

9 : 20

20 : 9

4 : 27

Which percentage is equivalent to the decimal 0.0625?

625%

0.625%

6.25%

62.5%

Which of the following four numbers are in proportion?

2, 3, 5 and 6

1, 3, 2 and 5

1, 3, 4 and 12

2, 2, 4 and 6

Which percentage is equivalent to the fraction $$\frac{2}{5}$$?

20%

30%

60%

40%

If 20% of apples in a box weigh 3 kg, then how much will 80% of apples in the box weigh?

12 kg

11 kg

15 kg

20 kg

Raunak bought a flower vase for ₹ 350 and sold it for ₹ 280. What is his loss%?

10%

20%

16%

40%

If ₹ 4,800 are borrowed at the rate of 5% p.a., what amount should be returned at the end of 2 years?

₹ 480

₹ 5,280

₹ 5,300

₹ 6,000

If the salary of an employee is increased by 200% in the last five years, how much has his salary become?

2 times

3 times

4 times

200 times

What is the value of x, if 2 : 4 = 24 : x?

What is the value of 25% of 400?

200

300

100

150

Click the correct answer.

The value of $$p$$% of $$\frac{100qr}{p}$$ is .

$$qr$$

$$pq$$

$$pr$$

If two quantities increase or decrease at the same rate, then they are in .

indirect proportion

equivalent proportion

direct proportion

If one quantity increases and the other quantity decreases at the same rate, then they are said to be in .

direct proportion

simple proportion

indirect proportion

Vani bought a toy on a discount of 20%. If the marked price of the toy was ₹ 1,480, Vani paid for the toy.

₹ 1,184

₹ 1,148

₹ 1,814

If a certain sum of money doubles itself in 5 years, then the rate of simple interest is .

10%

20%

30%

If a shopkeeper makes a loss, then his S.P. should be C.P.

greater than

equal to

less than

$$4\frac{1}{2}$$ =

450%

540%

350%

1 is of 4.

15%

35%

25%

$$12\frac{3}{4}$$% of 200 is .

35.7

35.5

25.5

$$1\frac{1}{4}$$ =

115%

125%

135%

BACK