Question
The price of an article was first increased by 10% and then again by 20%. If the last increased price be Rs.33, the original price was
Answer: Option B Answer: (b)
Using Rule 7,
Simple Approach
Effective increase percentage
= $(10 + 20 + {20 × 10}/100)%$ = 32%
$x × 132/100 = 33$
$x = {33 × 100}/132$ = Rs.25
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