Question

A table was sold for Rupees 2142 at a gain of 5% at what price should it be sold to gain 10%

Answer 1

selling price of table rs.2142
gain % = 5%
cost price =?
cost price =100 × selling price /100 + gain %

= 100 × 2142/100 +5
100 × 2142/105
= 21400 / 105
= rs.2040
cost price rs.2040
gain % = 10%
selling price = 100 + gain % ×cost price /100
= 100 + 10 × 2040 / 100
= 110× 2040 / 100
= rs. 2244