Question

The simple interest a sum for 3 years at 10% is rs 2100 more than simple interest on same sum for 1 year at 5% . find the sum.
explain full.....​

Answer 1

STEP BY STEP EXPLANATION

Given principal (P) = 2100

rate (R) = 10%

time (T) = 3 years

then interest (I) = PTR/100

= 2100×10×3 / 100

therefore interest = 630

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