Answer-A sum of ₹30,000 is invested partly at 4% and partly at R% per annum simple interest in the ratio of...

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ATQ, Given Total  30,000 Invested in 87 ratio Time  2 years Rate  4, Rate  R Total interest  3,520 Amount at 4  16,000 Amount at R  14,000 Interest  16000  4  2  100  1,280 Interest  14000  R  2  100  280R Total interest 1280  280R  3520  280R  2240  R  2240  280  8

A sum of ₹30,000 is invested partly at 4% and partly at R% per annum simple interest in the ratio of 8 : 7. If the total interest received after 2 years is ₹3,520, find the value of R.

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