Simplification Test 3

Question : 9 of 40

Marks: +1, -0

Two-fifth of one-fourth of three-seventh of a number is 15. What is the half of that number?

Solution:

Let,

2/5×1/4×3/7×x=15

⇒3/70x=15

∴x={15×70}/3=350

Hence,

x/2=350/2=175

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