Answer-A man spends 75% of his income. His income increases by 20% and his expenditure also increases by 10...

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let the income  Rs 100 expenditure  75 of his income  75 of 100  Rs 75 savings  100 - 75  25 savings  income minus expenditure income increases by 20 new income  100  20100 times 100  100 20  Rs 120 new expenditure  75  10100 times 75  75  7.5  Rs 82.5 new savings  120 - 82.5  37.5 increase in savings  new savings - initial savings  37.5 - 25  Rs 12.5  increase in savings increase in savings  initial savings times 100  12.525 times 100  50

A man spends 75% of his income. His income increases by

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