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Q.

Ankit was given an increment of 10% on his salary. His new salary is Rs 3575. What was his salary before increment?


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a

Rs. 350

b

Rs. 3250

c

Rs. 320

d

Rs. 325 

answer is B.

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Detailed Solution

Given, Ankit was given an increment of 10% on his salary.
His new salary is Rs 3575.
Suppose salary before increment is Rs x.
Increment = 10%
Present salary = x + 10% of x.
We know that a% of b = a100×b where a and b are real numbers.
3575=x+10100x
3575=100x+10x100
3575=110x100
x=3575(100)110
x = 3250
So, before increment the salary was Rs. 3250 .
Hence, option 2 is correct.
 
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