இவற்றில் எது 12 மற்றும் 18 ஆகியவற்றின் பொது மடங்கு அல்ல?
A72
B36
C108
D90
Answer & Solution
Correct answer: D. 90
90-ஐ 12-ஆல் வகுத்தால் 7.5 கிடைக்கும், எனவே 90 என்பது 12-இன் மடங்கு அல்ல.
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