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Algebra Level 2

What number should replace the question mark ?

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The answer is 18.

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Sandeep Bhardwaj by Sandeep Bhardwaj , 28, India

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4 solutions

Daphnie Montecino
May 21, 2015

3x7 = 21

9x2 = 18

4x8 = 32

2 Helpful 0 Interesting 0 Brilliant 0 Confused
Sonal Singh
Jan 20, 2016

The rest of the solutions are right. My solution is also same as the rest of them. 3x7= 21 (but it will be filled in second top box).

9x2= 18 (it will be filled in third top box).

4x8= 32 (it will be filled in the first top box).

As the third box was empty so 18 will be filled in it.

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The top square is formed by multiplying the bottom 2 squares and the answer is placed in next top box. eg. 7 * 3= 21 , it is placed in top of next box .

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Vaibhav Kandwal
Mar 27, 2015

I guess the top ones are products of bases, used interchangeably. Like 3x7 = 21 and 4x8=32, thus 9x2= 18 \boxed{18}

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