RE: Maths Brain Teasers 85 :: Can You Complete The Puzzle?
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The answer is 10.
Reason
All number in B is the multiple of 2 , 3 , 4, 5 , 6 & 7 of symmetrical A number
9 x 3 = 27
21 x 4 = 84
6 x 5 = 30
? x ? = 60 ? x 6 = 60 = ? = 60/6 = 10
5 x 7 = 35
10 is the answer. Pretty easy one after a difficult brain teaser 84.
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