Converting from Fraction to Percentage

Q. Kanchan dyes dresses. She had to dye $40$ dresses. She has so far finished $20$ dresses. What percentage of dresses has she finished?
[2 Marks]

Q.

$\text{In a birthday party}\frac{6}{8}\text{th of the cake was}$$\text{eaten by few children. Sam ate}\frac{4}{5}\text{th of the}$ $\text{remaining cake. What percentage}$ $\text{of the whole cake did Sam eat?}$

1. 25%

2. 16.66%

3. 20%

4. 12.5%

Q.

In the monthly test, your friend scored 81 marks and you scored 54 out of 90. By how much percent were your marks lower than your friend?

1. 30 %

2. 25 %

3. 30 %

4. 43.75 %

Q.

If the cost of an item goes down from Rs 50 to Rs 30 , what is the change in percentage?

1. 5%

2. 40%

3. 10%

4. 20%

Q.

$\frac{33}{100}$ = ______ $\%$

1. 330

2. 33

3. 0.33

4. 3.3

Q.

$\frac{7}{25}$ as a percentage is ____.

1. 28

2. 35

3. 280

4. 17

Q. If a quantity is increased to 1.7 times of its original value, then find the percentage increase.

1. 170%

2. 35%

3. 70%

4. 17%

Q.

Find the increase in percentage when the cost of an item is increased from ₹ 10 to ₹ 20

1. 4 %

2. 10 %

3. 100 %

4. 7.25 %

Q.

80% of 200 multiplied by 60% of 300 gives :

1. 29000

2. 28000

3. 30800

4. 28800

Q.

What is the percentage change when quality of petrol drops from 100 octane to 92 octane?

1. 7.5 %

2. 8 %

3. 5 %

4. 4 %