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If 11=20 12=31 13=42 then 14=??

+1 vote
1,073 views
posted May 1, 2014 by Amit Kumar Pandey

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1 Solution

0 votes

Answer will be 53

Formula
ab = (a+b)(b-a)

solution May 6, 2014 by anonymous



Similar Puzzles
+1 vote

If
40 * 14 = 11,
30 * 13 = 12,
20 * 12 = 6
then
10 * 11 = ??

–1 vote

If;

1 + 9 + 11 = 1
&

12 + 11 + 9 = 1

Then;

14 + 11 + 9 = ?

0 votes

IF
1,3,3=5
9,7,4=8
11,14,10=15
20,16,12=18
Than
3,6,7=?

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