Decimals and Fractions Practice Test 2

Question : 15 of 40

Marks: +1, -0

Two-third of three-fourth of one-fifth of a number is 15. What is 30 per cent of that number?

Solution:

Let the number = x

2/3\of3/4\of1/5\of x=15

2/3×3/4×1/5×x=15

x/10=15

x=150

Now 30% of 150

={30×150}/100=45

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