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    Question

    Difference between CI and SI on a sum for 3 year at 20%

    p.a. is 176. Find the simple interest on the sum after 2 years at 10% p.a.
    A 225 Correct Answer Incorrect Answer
    B 275 Correct Answer Incorrect Answer
    C 250 Correct Answer Incorrect Answer
    D 300 Correct Answer Incorrect Answer
    E 350 Correct Answer Incorrect Answer

    Solution

    Let sum = Rs. 250 C.I. for 3 year at 20% p.a. = 250 Γ— (12/10)3 – 250 = 182 SI for 3 year at 20% p.a. = (250 Γ— 3 Γ— 20)/100 = 150 Difference = 182 – 150 = 32 Β  => 32 ------ 176 β‡’ Sum = (176/32) Γ— 250 = Rs.1375 Required Interest = (1375 Γ— 2 Γ— 10)/100 = Rs.275

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