Question

A vendor bought 1200 oranges at rupees 16 a dozen . If he wants to make a profit of 20%, at what price per hundred must be he sell the oranges?

Answer 1

CP of 12 oranges = 16rs

CP of 1 orange = 16÷12

CP of 100 oranges =1600÷12

Gain= 20%

$sp \: = 120\% \: of \:(1600 \div 12) \\ \: \: \: \: \: \: \: = 160 \: rs$