A man deposited Rs. 2820 in a bank at 9% per annum and Rs. 3420 in another bank at 11% per annum. Find the rate of interest for the whole sum
A man deposited Rs. 2820 in a bank at 9% per annum and Rs. 3420 in another bank at 11% per annum. Find the rate of interest for the whole sum

A man deposited Rs. 2820 in a bank at 9% per annum and Rs. 3420 in another bank at 11% per annum. Find the rate of interest for the whole sum

(a) 12.732%

(b) 12.321%

(c) 11.616%

(d) 10.096%

Sol:
quantitative aptitude
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