Let c who can crack dis 5-4=23

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Lets see who can crack this
5 - 4 = 23
8 - 1 = 63
6 -16 = 32
9 - 9 = 78
3 - 9 = 6
3 - 81 = ?
Genius heads try this 
Explain the Logic

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Answer is 0
The logic is
(Square of 5) - (Square root of 4) = 25 - 2 = 23
hence,
(3*3) - (Square roo of 81) = 9 - 9 = 0

1 comment:

  1. 5*5-SQAURE ROOT OF 4=23
    8*8-SQ.ROOT OF 1 = 63
    6*6-SQ.ROOT OF 16= 32
    9*9-SQ.ROOT OF 9 = 78
    3*3-SQ.ROOT OF 9 = 6
    3*3-SQ.ROOT OF 81 =0

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