Percentage Practice Test 8 with solutions

Question : 5 of 38

Marks: +1, -0

A man's working hours a day were increased 20% and his wages per hour were increased by 15%. By how much per cent were his daily earning increased?

Validate

Solution:

Let man's working hours be 100 and wages per hour be Rs. 100 originally;
Hence, increase in earning = 120 × 115 – 100 × 100 = Rs. 3800
Required percentage

=3800/{100×100}×100=38%

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