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30 September, 15:52

Amir lent Rs. 600 to Hameed for 2 yrs and Rs. 150 to Aman for 4 yrs and recievd altogether from both rs. 90 as simple intrest. The rate of intrest is?

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  1. 30 September, 15:54
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    600 * 2*x + 150*4*x = 90

    1200x + 600x = 90

    1800x = 90

    x = 90/1800 = 0.05

    x = 5%

    Answer: rate of interest = 5%
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