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After three successive equal percentage rise in the salary the sum of 100 rupees turned into 140 rupees and 49 paise. Find the percentage rise in the salary.

A. 12%

B. 22%

C. 66%

D. 82%

E. 77%

Answer: Option A

Solution(By Examveda Team)

We solve it through options. Choosing options for trial depends on mental thought.
100 == 12% up ==> 112 == 12% up ==> 125.44 == 12% Up ==> 140.49
So, answer is 12%

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