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If 3 2 = 7, 5 4 = 23, 9 9 = 78 then 3 81 = ??

0 votes
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IF

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

Then 

3   81 = ??
posted Feb 24, 2016 by Nithi Mani

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3 Answers

+1 vote

Answer is 0

answer Feb 26, 2016 by Sreejith Pottathil
+1 vote

3² - √81 = 0

answer Mar 5, 2016 by 이기가
0 votes

Answer is 0
Method is sq(first no.) - sqrt(second no.) = ans
3-2 = 3^2 - sqrt(2) = 9-1.414 = 7(approx. integer)
5-4 = 5^2 - sqrt(4) = 25-2 = 23
9-9 = 9^2 - sqrt(9) = 81-3 = 78
3-81 = 3^2 - sqrt(81) = 9-9 = 0

answer Mar 13, 2017 by Vigneshvari



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

If
5 - 4 = 23
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then
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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 = ?

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 and 3-9=6 then 3-61=??

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

+4 votes
If 3 2 = 7, 5 4 = 23, 7 6 = 47, 9 8 = 79 then 10 9 = ?

If 

3   2 = 7
5   4 = 23
7   6 = 47
9   8 = 79

Then

10  9 = ??
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