What is the answer to this test question?

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What is the answer to this test question?

1 Answer

My answer would be

H

The top row is a simple arithmetic series. The bottom row starts with the middle entry of the top row.

the bottom row then continues with its middle entry being 3/4 of the first entry, and the third entry being 4/5 of the middle entry.
so 4/5 of 30 is 24.

• As reinforcement for this solution, it produces a situation where the sums of each of the top two rows are double the sums of each of the bottom two rows – humn Oct 22 '16 at 19:19