Question

A shopkeeper sold two phones for ₹9,900 each. On one he gained 10% and on the other he lost 10%. On the whole deal, he made a

Loss per cent is calculated on the selling price.

Gurpreet buys an old bicycle for ₹3,200 and spends ₹300 on new tyres and painting. She sells it for ₹4,200. Find her profit per cent.

A fruit seller in Ratnagiri buys 50 kg of mangoes at ₹80 per kg and spends ₹400 on transport. 5 kg of the mangoes get spoilt. He sells the rest at ₹110 per kg. Find his profit per cent.