Question

X lent Rs. 6000 to Y for 3 years and Rs 4000 to Z for 5 years on simple interest at the same rate of interest and received Rs 3200 in all from both of them as interest. The rate of interest per annum is

• A. (140/19) %
• B. 150/19 %
• C. 160/19 %
• D. 170/19 %
• E. 180/19 %

Answer 1

The correct option is C

160/19 %

$\frac{6000\times R\times 3}{100}+\frac{4000\times 5\times R}{100}=3200$

$180R+200R=3200$

$R=\frac{160}{19}\%$