### which number completes the puzzle ?

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#### Answer : 29

In each diagram multiply top two values and add their sum to give the bottom value.

In first rectangle, (6 * 4 ) + (6 + 4) = 34

In second rectangle, ( 8 * 5 ) + (8 + 5) = 53

Similarly, in last rectangle, (9 * 2) + (9 + 2) = 29

So, answer is 29