A sum of money amounts to Rs.767 in 3 years, and to Rs.806 in 4 years on simple interest at 6% annum. What is the sum?
3 years=767… (1) 4 years=806… (2) Solve Equation (2)-(1) 1 year interest =39 Now the invested sum =767-39×3=650Rs.
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84 is what % of 120?
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