Percentage Practice Test 4 with solutions

Question : 39 of 40

Marks: +1, -0

James could save 10% of his income. But two years later when his income is increased by 20%, he could save the same amount only as before. By how much per cent has his expenditure increased?

24%
$23 1 /3 %$
$22 2 /9 %$
22%

Validate

Solution:

Let originally James's income be Rs. 100 and his expenditure be Rs. 90.
Again his increased income = Rs. 120 and Expenditure = Rs. 110
Hence, required percentage

={110-90}/90×100

=20/90×100=22 2/9%

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