After a deduction of 5% from a certain sum and 10% from the remainder, a sum of Rs 171 is left. The original sum was- ( The options are given below)
A) Rs 50
B) Rs 40
C) Rs 30
D) Rs 15
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3 Answers
Let the Original sum is Rs x
So according to the question ,
After 5% of deduction we get , x - 5x/100 = 19x/20 and
again 10 % deduction we get ,
19x/20 - 19x/20 x 10/100
= 19x/20 - 19x/200
= (190x-19x)/200
= 171x/200
and it is given as , 171x/200 = 171
So x = 200
So, The original sum was Rs 200
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