Finding a Percent of a Quantity as a Rate per 100 Word Problems

In a class of 45 students 40% are girls. Find the number of boys.

• 15

• 17

• 27

• 30

In a city, 35% of population are males and 25% are females and remaining are children what is the percentage of children in the city?

• 10%

• 20%

• 30%

• 40%

If 50% of students are good at science out of 20 students. Then the number of students good at science is

• 10

• 15

• 5

• 11

A person got a 10% increase in his salary. If his salary was Rs. 50000, then the new salary is:

• Rs. 55000

• Rs. 60000

• Rs. 45000

• Rs. 65000

Three-quarters of 12 apples are green. How many apples are green?

• 12

• 9

• 6

• 3

What is 75% of 1 kg

• 250g

• 400 g

• 750 g

• 950 g

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

• 50%

• 100%

• 25%

• 75%

Per cent is derived from Latin word per centum meaning ————

Out of 30 students in a class, 9 are girls. What is the percentage of girls?

• 30%

• 20%

• 10%

• 40%

Express 0.0014 as per cents

• 14%

• 0.14%

• 140%

• 0.140%

• 0.00014