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If 5 - 4 = 23; 8 - 1 = 63; 6 -16 = 32; 9 - 9 = 78 and 3 - 9 = 6 then 3 - 81 = ?

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If
5 - 4 = 23
8 - 1 = 63
6 -16 = 32
9 - 9 = 78
3 - 9 = 6
then
3 - 81 = ?

posted Mar 11, 2017 by anonymous

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2 Answers

0 votes

Answer is 0
Method is sq(first no.) - sqrt(second no.) = ans
5-4 = 5^2 - sqrt(4) = 25-2 = 23
8-1 = 8^2 - sqrt(1) = 64-1 = 63
6-16 = 6^2 - sqrt(16) = 36-4 = 32
9-9 = 9^2 - sqrt(9) = 81-3 = 78
3-9 = 3^2 - sqrt(9) = 9-3 = 6
3-81 = 3^2 - sqrt(81) = 9-9 = 0

answer Mar 13, 2017 by Vigneshvari
0 votes

0 ,first sqare the first term and subtract the sqare root of second term

answer Mar 19, 2017 by anonymous



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+1 vote

IF

5 - 4 = 23
8 - 1 = 63
6 - 16 = 32
9 - 9 = 78
3 - 9 = 6

Then

3 - 81 = ?
0 votes

If
5-4=23,
6-16=32,
9-9=78,
3-9=6
then
3-61=??

0 votes

IF

3   2 =  7
5   4 =  23
9   9 =  78

Then

3   81 = ??
...