Question

31. Mr A lends 40% of the sum at 15% p.a., 50%
of rest sum at 10% p.a. and the rest at 18%
p.a. simple interest. What would be the rate
of interest per annum calculated on the whole
sum?
(a) 13.33%
(b) 13.4%
(c) 14.33%
(d) 14.4%
(e) None of these​

Answer 1

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Answer 2

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