Multiple choice

If amount of a sum becomes Rs 12575 in two years and Rs 13125 in four years with simple rate of interest. Find the sum.

  1. Rs.12000

  2. Rs.11025

  3. Rs.11500

  4. Cannot be determined

  5. None of these
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Let the principal be P and rate be R%. Amount after 2 years = P + (P × R × 2)/100 = 12575. Amount after 4 years = P + (P × R × 4)/100 = 13125. Subtracting: (P × R × 2)/100 = 13125 - 12575 = 550. This means interest for 2 years is Rs 550. From first equation: P + 550 = 12575, so P = 12025. But 12025 is not in options A, B, C, or D. Option E (None of these) is correct.

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