Relation between Fraction, Decimal and Percentage

Q.

The number of boys in a class is 20. If 60% of the class are girls, what is the strength of the class?

1. 60

2. 45

3. 40

4. 50

Q. $\text{Convert 12}\frac{1}{2}\text{\% into a fraction.}$

1. $\frac{2}{9}$
2. $\frac{1}{4}$
3. $\frac{1}{8}$
4. $\frac{3}{8}$

Q.

What percentage of the picture is coloured green?

1. 6%
2. Cannot say
3. 8%
4. 100%

Q. What is 50% of 68?

1. 136
2. 34
3. 38
4. 68

Q. What is 36% of 80?

1. 28.8
2. 36
3. 288
4. 80

Q. Change 0.058 into percentage.

1. 58%
2. 5.8%
3. 56
4. 0.58%

Q.

A 7 kg bag is filled with a mixture of sand and salt. It contains $2\frac{4}{5}\%$ of salt in it. Find the amount of salt it contains in grams.

1. 200 grams

2. 220 grams

3. 186 grams

4. 196 grams

Q.

What percent of the grid is coloured?

1. 50%
2. 25%
3. 100%
4. 60%

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. 16.66%

2. 12.5%

3. 20%

4. 25%

Q.

Convert 0.75 into percentage.

1. 
2. 
3. 
4.