Question
A sum of money at simple interest amounts to Rs. 815 in
3 years and to Rs. 854 in 4 years. The sum is:Solution
SI for 1 year = Amount (4 years) - Amount (3 years) = 854 - 815 = Rs. 39. SI for 3 years = 39 Γ 3 = Rs. 117. Principal (Sum) = Amount (3 years) - SI (3 years) = 815 - 117 = Rs. 698.
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