Exams › SSC CGL (Prelims) › General

Evaluate the expression (0.2^3 + 0.04^3) / (0.4^3 + 0.08^3).

1. 0.015
2. 0.125
3. 0.035
4. 0.145

Correct answer: 0.125

Solution

Since 0.4 = 2(0.2) and 0.08 = 2(0.04), the denominator equals 8 times the numerator. The ratio is therefore 1/8 = 0.125.

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