The difference between the simple interest received from two different sources on Rs. $1500$ for $3$ years is Rs. $13.50$ . The difference between their rates of interest is

0.1 %

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0.2 %

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0.3 %

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0.4 %

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Solution

The correct option is C $0.3 %$
Let the two rates of simple interests p.a. be $x %$ and $y %$ .
Then, $\frac{1500 \times x \times 3}{100} - \frac{1500 \times y \times 3}{100} = 13.50$
$\Rightarrow 45 x - 45 y = 13.50$
$\Rightarrow 45 (x - y) = 13.50$
$\Rightarrow x - y = \frac{13.50}{45} = 0.3 %$

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The difference between the simple interest received from two different sources on Rs. 1500 for 3 years is Rs. 13.50. The difference between their rates of interest is

The correct option is C 0.3%Let the two rates of simple interests p.a. be x% and y%.Then, 1500×x×3100−1500×y×3100=13.50⇒45x−45y=13.50⇒45(x−y)=13.50⇒x−y=13.5045=0.3%

The difference between the simple interest received from two different sources on Rs. $1500$ for $3$ years is Rs. $13.50$ . The difference between their rates of interest is

The correct option is C $0.3 %$
Let the two rates of simple interests p.a. be $x %$ and $y %$ .
Then, $\frac{1500 \times x \times 3}{100} - \frac{1500 \times y \times 3}{100} = 13.50$
$\Rightarrow 45 x - 45 y = 13.50$
$\Rightarrow 45 (x - y) = 13.50$
$\Rightarrow x - y = \frac{13.50}{45} = 0.3 %$