A merchant dealer gives successive discounts of 10% and 20% in that order and makes a profit of 20%. what will be the profit if he offers a single flat discount of 30%?
a) 20%
b) 16.67%
c) 18%
d) 14%
e) None of these

1 Answer

Answer :

let marked price be 100.
SP with 10%, 20% = 80% of (90% of 100) = 72.
profit = 20%
so CP = 72/1.20 = Rs. 60
by offering a flat discount of 30%, sales price = 70% of 100 = 70
profit = (70 - 60) ×100 / 60 = 16.67%
Answer: b)

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