Question

A man buys oranges at the rate of rs.2 for 6 and sells the whole lot at the rate of rs.3 for 7. In this process, he gained rs.20. How many oranges did he purchase?

Answer 1

CP=2/6=1/3

SP=3/7

PROFIT=3/7-1/3=2/21

To gain RS.20 no.of oranges he brought

=21/2 *20 =210 oranges