Percentage Practice Test 6 with solutions

Question : 10 of 40

Marks: +1, -0

The difference between 58% of a number and 37% of the same number is 399. What is 72% of that number?

Solution:

Let the number be x; then

x×(58-37)×1/100=399

⇒x={399×100}/21=1900

Hence,

72/100×1900=1368

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