Numbers and Quantities

Convert the following ratio into percentage:
1 : 5

• 20%

• 10%

• 25%

• 50%

Find the ratio of Rs.6 to 60 paise

• 10 : 1

• 100 : 1

• 1 : 10

• 1 : 100

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

• 15

• 17

• 27

• 30

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

List all the classifications of numbers that apply to the real number. 
-18/6

• Rational

• Rational, Integer, Whole

• Natural, Whole, Integer, Rational

• Rational, Integer

solve

• 2   3/4

• 2   2/3

• 1   2/3

• not here

Solve

• 5   1/2

• 3/4

• 16/75

• not here

Solve

• -  1/3

• 1/3

• 3/4

• not here

Does this graphic organizer correctly group the numbers?

• Yes

• No

Which statement is true?

• Every rational number is an integer

• Every whole number is a counting number

• Every integer is a whole number

• Every whole number is a rational number