Question

A shopkeeper buys pencils at 10 for ₹10 and sells them at 8 for ₹10 .Find the gain per cent

Answer 1

let the cost of 1 pencil be ₹1

CP of 8 pencil =₹8

SP of 8 pencil =₹10

gain =SP-CP

10-8

₹2

gainpercent=G/CP*100

2/8*100

25 percent

Answer 2

Let the CP of 1 pencil be 1 rupee

CP of 8 pencil = 8 rupees

SP of 8 pencil = 10 rupees

Gain = SP - CP

= 10 - 8

= 2 rupees

Gain % = Gain × 100

CP

= 2. × 100

8.

= 200

8

= 25 %