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Question
If a deposit of Rs 2,000 earns an interest of Rs 500 in 3 years, how much interest would a deposit of Rs 36,000 earn in 3 years with the same rate of simple interest?
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Solution
If deposit of Rs 2000 earns in 3 yr with an interest = Rs 500
Then, a deposit of Rs 1000 earns in 3 yr with an interest = `500/2` = 250
Similarly, deposit of Rs 3600 i.e. Rs 36 × 1000 earns in 3 yr with an interest = 250 × 36 = Rs 9000
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