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Muskan Verma • Dec 21, 2018

Computer Science

Which number replaces the question mark?

Chemical

The bases of triangles 1 and 2 from the left add to 13. Ignoring the apex, the ? Then becomes 4.

The difference between the apex and the base is 2 for the first and 3 for the second. If this has to be 4 for the third, then ? = 6.

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