Question
48. (1) CP of the chair for the shopkeeper ( =600 times frac{85}{100} times frac{80}{100}=₹ 408 )
With transportation charge, total CP
[
begin{array}{l}
=408+28=₹ 436 text { and } S P=₹ 545
therefore text { Gain per cent }=frac{545-436}{436} times 100=frac{109}{436} times 100
=25 %
end{array}
]

48. A shopkeeper purchased a chair marked at 600 at two successive discounts of 15% and 20% respectively. He spent 28 on transportation and sold the chair for 545. His gain per cent was (1) 25 (2) 30 (3) 35 (4) 20
Solution
