Unitary Method

If the cost of 1 pen is Rs 10 then what will be the cost of 4 pens?

• 30

• 40

• 50

• 60

If the cost of 1 dozen copies is Rs 960 then what will be the cost of 1 copy.

• 85

• 80

• 90

• 95

If the rate of interest is 5% per year , find the interest of the principal of Rs 1500 in 1 year?

• 70

• 75

• 80

• 85

Interest amount will be smaller than principal amount. The above line is

• true

• false

• incomplete question

• None

Time are expressed in

• years , month

• Amount

• percent

• None

Rate of interest in denoted by

• P

• T

• R

• None