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SSC Selection Post 2024 PYQ — Question 74

SSC Selection Post - Matriculation Level - 20 June 2024 - Shift 4 • Quantitative Aptitude • Q74

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The average of v numbers is w2, and that of w numbers is v2. Then the average of all the numbers is:

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Correct answer: C

Explanation

The correct answer is option 3 i.e. vw.

Sum of v numbers = vw2

Sum of w numbers = wv2

Average = vw2+wv2v+wvw^2+wv^2 \over v+w = vw(v+w)v+wvw(v+w) \over v+w = vw