# What number should replace the question mark and why?

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What number should replace the question mark and why?

posted Feb 21, 2016

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### Ans: 5

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The opposite side is either +2 or -2 added to the value .
1. 12 , 10 = -2
2. 13, 15 = +2
3. _ , 7 = + 2 .....so 5 +2 = 7
4. 6 , 4 = -2

+1 vote

because sum of two numbers in large circle equals centered number of next triangle (clockwise)

+1 vote

Add Previous triangle top two numbers, 1+1 = 2

Ans :- 2

+1 vote

sum of two numbers in large circle equals centered number of next triangle (clockwise).

2

Pie slice=x+y whereas x and y are the top corner values

Sum = 1 space clockwise from x+y at bottom

answer Feb 21, 2016 by anonymous

Yeah right1+1=2

YEAH  1+1=2

Five. Difference between opposite numbers in inner circle is 2

2, because it should be the sum of the outside two numbers before it to the left.

Ans is 3 in case that the outer circle  sum is 70 and in the inner one 3 gets remained

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