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Discussion

  1. A certain sum amounts to Rs 1586 in 2 year and Rs 1729 in 3 year. Find the rate and the sum.
    1. 8 %
    2. 9 %
    3. 10 %
    4. 11 %
  1. Correct Option: D

    Simple Interest in 1 year= Rs (1729 - 1586)
    = Rs 143
    now, SI in 2 year = Rs 286

    Principal P= Rs(1586 - 286)
    = 1300
    And R= (100 × SI)/(P × T)
    = (100 × 143)/(1300 × 1)
    = 11 %
    where, R = rate
    SI= Simple Interest
    P = Principal
    T= Time


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