4
6 2
9 3 1
19 10 7 ?
Answer with Explanation
Answer is 6.
How?
Here, Number in a block is sum of the number on the top and right block so 7 = 1 + ?, hence ? should be 6.
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Number Puzzle #8
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ans 6
Ans = 6
Explanation: Block value = Difference of just below blocks
6-2 = 4
9-3 = 6; 3-1 = 2
19-10 = 9; 10 – 7 =3; 7-6 =1