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What value should question mark be?

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The number in the third row form a pattern based on the numbers in the patterns of the first two rows.
enter image description here

What value should question mark be?

posted Dec 5, 2017 by Nimish

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1 Answer

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The value of question mark is:

540

EXPLANATION:

75, 210, 354, 510, 645, 690, 540
135, 144, 156, 135, 45, 150
9, 12, -21, -90, -195
3, -33, -69, -105
-36, -36, -36

answer Dec 27, 2017 by Yasin Hossain Siinan



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