The difference between the interests from two different banks on Rs. 500 for 2 years, is Rs. 2.50, the difference between their rates is

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2.5

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0.25

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0.5

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Solution

The correct option is D 0.25
According to the question
$\Rightarrow (500 \times 2 \times \frac{r_{1}}{100}) - (500 \times 2 \times \frac{r_{2}}{100}) = 2.5$
$\Rightarrow 10 r_{1} - 10 r_{2} = 2.5$
$\Rightarrow r_{1} - r_{2} = \frac{2.5}{10}$
$\Rightarrow r_{1} - r_{2} = .25$

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The difference between the interests from two different banks on Rs. 500 for 2 years, is Rs. 2.50, the difference between their rates is

The correct option is D 0.25According to the question⇒(500×2×r1100)−(500×2×r2100)=2.5⇒10r1−10r2=2.5⇒r1−r2=2.510⇒r1−r2=.25

The correct option is D 0.25
According to the question
$\Rightarrow (500 \times 2 \times \frac{r_{1}}{100}) - (500 \times 2 \times \frac{r_{2}}{100}) = 2.5$
$\Rightarrow 10 r_{1} - 10 r_{2} = 2.5$
$\Rightarrow r_{1} - r_{2} = \frac{2.5}{10}$
$\Rightarrow r_{1} - r_{2} = .25$