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SSC CGL 2020 PYQ — Question 64

SSC CGL - 3rd March 2020 Shift 1 • Quantitative Aptitude • Q64

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If x2a = y2b = z2c ≠ 0 and x2 = yz, then tha value of  is:

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Correct answer: A

Explanation

The correct answer is Option 1.e. 3

Understanding Application
Tricks

Given

x2a = y2b = z2c ≠ 0

&

x2 = yz

So

the possible value is 1 for all

i.e. x y and z as well as a, b and c
Hence

 = (1 × 1 + 1 × 1 + 1 × 1)/1 × 1

= 3/1

= 3