Question 25

Ram donated 4% of his income to a charity and deposited 10% of the rest in a Bank. If now he has Rs. 8640 left with him, then his income is

Solution

let the income be 100

Ram donated 4% of his income to a charity = $$ \frac{4}{100} \times 100 = 4 $$

remaining = 96

deposited 10% of the rest in a Bank = $$ \frac{10}{100} \times 96 = 9.6 $$

saving = 100 - 13.6 = 86.4

86.4===100

1 ==== $$ \frac{100}{86.4} $$

= $$ \frac{100}{86.4} \times 8640 = 10000 $$

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