Question

A man buy two pen at rs 20 each . he sell one at a gain at 5% and other at a loss of 5% .find his gain or loss %

Answer 1

Total CP-Rs.40(2 pens)
Sp of one- 20+1 (5%)=Rs.21
Sp of second- 20-1(5%)=Rs.19

Total Sp-Rs.40

Gain/Loss- 0(since sp=cp)

gain/loss%=0

Answer 2

money =40
40/100 ×5
=2