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6.Interest
easy
The difference between $C.I.$ & $S.I.$ on $Rs. 700$ in $2$ years at $5 \%$ per annum is (In $Rs.$)
A
$10$
B
$5$
C
$1$
D
$1.75$
Solution
Difference between CI and SI for 2 years $=\frac{P R^{2}}{100^{2}}$
$=\frac{700 \times 5 \times 5}{100 \times 100}= Rs .1 .75$
Standard 13
Quantitative Aptitude