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4, 8, 12, 16 மற்றும் 20 ஆகிய எண்களின் கூட்டுச் சராசரி என்ன?

A14
B10
C16
D12
Answer & Solution
Correct answer: D. 12
கூடுதல் 60 ஆகும், மேலும் அதை 5 மதிப்புகளால் வகுத்தால் 12 கிடைக்கிறது.
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