Percentage Practice Test 5 with solutions

Question : 8 of 40

Marks: +1, -0

If a number is increased by 40% and the resulting number is again increased by 40%, what is the total increase percent?

Solution:

Let x = + 40, y = + 40
∴ The required percentage

=±x±y±{xy}/{100}

=+40+40+{40×40}/100

=96%

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