If the simple interest on $R s . 1200$ be more than the interest on $R s . 1000$ by $R s . 30$ in $3$ years. Find rate percent per annum?

3 %

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4 %

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5 %

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6 %

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Solution

The correct option is C $5 %$
Rate $= \frac{S . I \times 100}{P \times T}$
$P = 1200 - 1000 = 200$
$S . I = 30$
$T = 3$ years
Rate $= \frac{30 \times 100}{200 \times 3}$
$= \frac{3000}{600}$
$= 5$ %

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If the simple interest on Rs. 1200 be more than the interest on Rs. 1000 by Rs. 30 in 3 years. Find rate percent per annum?

The correct option is C 5 %Rate =S.I×100P×TP=1200−1000=200S.I=30T=3 yearsRate =30×100200×3=3000600=5%

If the simple interest on $R s . 1200$ be more than the interest on $R s . 1000$ by $R s . 30$ in $3$ years. Find rate percent per annum?

The correct option is C $5 %$
Rate $= \frac{S . I \times 100}{P \times T}$
$P = 1200 - 1000 = 200$
$S . I = 30$
$T = 3$ years
Rate $= \frac{30 \times 100}{200 \times 3}$
$= \frac{3000}{600}$
$= 5$ %