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Question

After a deduction of 5% from a certain sum and then 10% from the remainder a sum of Rs171 is left. The original sum was
  1. Rs.100
  2. Rs.300
  3. Rs.250
  4. Rs.200

A
Rs.200
B
Rs.100
C
Rs.300
D
Rs.250
Solution
Verified by Toppr

Original sum ×(1005)100×(10010)100=171
Original sum = =171×10095×10090=200

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