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1. What rate gives Rs.100 as interest on a sum of Rs.1000 in 2 years. |
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Answer» Rs.100 as INTEREST on a sum of Rs.1000 in 2 years.⠀To find:-Interest rate.⠀Solution:-ACCORDING to the question→ Interest = principal × rate of interest × no. of years→ 100 = 1000 × (R) × 2→ 100 = 1000 × R × 2→ 100 = 2000 R→ 100/2000 = R→ 0.05 = R→ R = interest rate/100→ 0.05 = interest rate/100→ 0.05 × 100 = interest rate→ interest rate = 5%⠀Hence,the interest rate is 5%. |
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