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Question

If 3×4=14;5×6=33;7×8=60, then 8×9=?=?

A
77
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B
89
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C
98
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D
79
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E
72
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Solution

The correct option is A 77
The rule is: the digits and .......by 2, 3,4,5 etc.
8×9=(8.9)

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