Question

1. A student buys a pen for Rs 90 and sells it for Rs 100. Find his gain and gain percent.​

Answer 1

Answer:

Cost price=90

Sell price=100

Gain= 100-90

=10

The formula for finding gain percent

=Gain/Cost price×100

Gain percent

= 10/90×100

=100/9%

=11.1% (ANSWER)

HOPE IT HELPS.

Answer 2

CP= 90

SP = 100

Gain = 100 - 90 = 10

Formula= Gain/ Cost * 100

=10/90*100

=100/90%

=11.1%