Rs. 33000 was partly lent at 5% & remaining at 8% S.I. If total interest received from both was Rs. 6930 in 3 years. Then find the amount kept at 5% S.I p.a.?
Net interest of 3 years = Rs. 6930 
So, ratio = 1:2 So, amount invested at 5% = (1/3) of 33000 = 11000
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