a) 3600%
b) 3200%
c) 2800%
d) 4000%
Answer: d
Explanation: The successive discounts must have been of 10% each As
20 (CP) == 25%↑ ⇒ 25(MP) == 10↓ ⇒ 22.5 == 10%↓ ⇒ 20.25(SP)
Profit = 20.25 – 20 = 0.25
Increased percentage if price have been increased twice successively instead of reducing it,
20(MP) == 10%↑ ⇒ 27.5 == 10%↑ ⇒ 30.25
Profit = 30.25 – 20 = 10.25.
Profit Change = 10.25 – 0.25 = 10
Percentage Profit change,
= $$\frac{{10 \times 100}}{{0.25}}$$
= 4000%
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