Problems based on Numbers Test 3

Question : 23 of 40

Marks: +1, -0

Two-third of a positive number and

25 /216

of its reciprocal are equal. What is such number?

Solution:

Let the positive number be x; then

2/3x=25/216×1/x

⇒x^2={25×3}/{2×216}=25/144

∴x=5/12

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