Question

The profit earned by a vendor by selling bananas at a gain of 10% is ₹30 more than when he sells it a loss of 10% . Find the C.P. of bananas .​

Answer 1

$\rm{We \: know \: that \: C.P = \frac{100}{100 + profit} \times S.P }$

$\rm{So, \: C.P = \frac{ \cancel{100}}{ \cancel{100 }+ 10\%} \times 30 =3 /-}$