Question
A sum of Rs. 2000 earns a simple interest of Rs. 600 in 5
years at R% per annum. Calculate the simple interest on Rs. 2500 at the rate of (R + 2)% per annum in 4 years.Solution
ATQ,
600 = 2000 × R% × 5
R = 600 / 100 = 6
Therefore, required interest = 2500 × (6 + 2)% × 4 = Rs. 800
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