Question

A milk man sold two buffalos for 20000 each.one he made a gain of 5% and aloss of 10%.find the overall gain or loss

Answer 1

HE may Have a loss because he has 5% of GAIN but 10% of loss THAT is the reason he may have loss
 

Answer 2

Gain on 1st buffalo :   20,000 * 5 / 100 = 1,000
Loss on 2nd buffalo :  20,000 * (- 10 / 100) = - 2,000

Overall gain or loss = +1,000 - 2,000 = -1000

It is a loss of 1000 .