Quiz on Percentages and Ratios

The word 'percent' literally means:

• Per hundred

• Per thousand

• For every ten

• Ratio of two numbers

If 25% of a number is 60, what is the number?

• 120

• 200

• 240

• 300

Difference between percent and percentage is:

• No difference, both are same

• Percent is followed by a number, percentage is a noun

• Percentage is followed by a number, percent is not

• None of the above

If a student scores 420 out of 600, his percentage is:

• 65%

• 68%

• 70%

• 72%

The ratio of 2 hours to 90 minutes is:

• 3:2

• 4:3

• 2:3

• 5:4

Which of the following is a compound ratio?

• 2:3

• 3:5 × 5:7

• 4:1

• 6:2

If the ratio of boys to girls in a class is 5:3 and there are 40 boys, how many girls are there?

• 20

• 24

• 30

• 32

If 12 pencils cost ₹60, then 20 pencils will cost:

• ₹90

• ₹95

• ₹100

• ₹110

A work is directly proportional to the number of workers. If 6 workers can do a job in 10 days, then 12 workers will finish in:

• 4 days

• 5 days

• 6 days

• 7 days

In inverse proportion, if x increases, then y:

• Also increases

• Decreases

• Remains constant

• Becomes zero