Q:
Can anyone solve this in 20 seconds?
Answer
3 + 5 + 6 = 151872
3x5, 3x6, Rev of (3x5 + 3x6 - 6)
5 + 5 + 6 = 253094
5x5, 5x6, Rev of (5x5 + 5x6 - 6)
Similarly,
9x4 = 36
9x7 = 63
So 36 + 63 = 99
From 99 - 7 = 92
Reverse of 92=29
Hence, 9 + 4 + 7 = 366329.
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