Exams › SSC CGL (Prelims) › General

Given x = 0.5 and y = 0.1, evaluate the expression (8x^3 + 8y^3) / (x^3 + y^3).

1. 4
2. 8
3. 16
4. 64

Correct answer: 8

Solution

The numerator 8x^3 + 8y^3 factors as 8(x^3 + y^3), so the expression simplifies to 8(x^3 + y^3)/(x^3 + y^3) = 8, independent of the actual values of x and y.

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