GATE 2015 CS (CS2) – Question 4

General Aptitude · Analytical Aptitude: Logical Reasoning, Deduction and Analogy · 1 mark · Multiple choice

What is the total weight of ten identical poles?
I: One fourth of one pole weighs 5 kg.
II: Ten poles weigh 160 kg more than two poles. Choose the sufficient information.

Statement I alone is not sufficient
Statement II alone is not sufficient
Either I or II alone is sufficient
Both I and II together are not sufficient

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Show answer and explanation

Correct answer: (C) Either I or II alone is sufficient

Explanation

From I, one pole weighs 4×5=20 kg, hence ten weigh two hundred kilograms. Independently, II gives 10w−2w=160, so w=20 and the same total follows. Each statement alone suffices; C.

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