alleryஆறு ஆண்கள் ஒரு மேடையை 12 நாட்களில் கட்டுகின்றனர். அதை 8 நாட்களில் கட்டத் தேவைப்படும் ஆண்கள்:
A8
B9
C12
D10
Answer & Solution
Correct answer: B. 9
மொத்தம் 6 x 12 = 72 ஆள்-நாட்கள், மற்றும் 72/8 = 9 ஆண்கள் ஆகும்.
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