Number Puzzle #8

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January 20, 2013 by puzzler 2 Comments

4 6 2 9 3 1 19 10 7 ?

4
6 2
9 3 1
19 10 7 ?

See Answer

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.