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- Quantitative Aptitude
6.Interest
medium
$A$ deposited $Rs. 6000$ in a bank at $5 \%$ per annum simple interest. $B$ deposited $Rs. 5000$ at $8 \%$ $p.a.$ compound interest. After $2$ years, the difference between their interests (In $Rs.$) will be
A
$230$
B
$232$
C
$600$
D
$832$
Solution
$A ^{\prime} s SI =\frac{6000 \times 5 \times 2}{100}=600$
$B ^{\prime} s$ Amount $=5000\left[1+\frac{8}{100}\right]^{2}=5000\left[\frac{27}{25}\right]^{2}= Rs .5832$
$C I=A-P=5832-5000=832$
Difference between their interest $=832-600=$ Rs. 232
Standard 13
Quantitative Aptitude