1. If 3 * 4 = 10, 5 * 8 = 18, 7 * 7 = ?





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  • By: anil on 05 May 2019 01.50 am
    The pattern followed is that twice the first number is added to the second number. Eg : 3 * 4 = $$2 imes3+4=6+4=10$$ and 5 * 8 = $$2 imes5+8=10+8=18$$ Similarly, 7 * 7 = $$2 imes7+7=14+7=21$$ => Ans - (B)
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