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1 votes
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196 : 169 : 81 : ?
(a) 64
(b) 72
(c) 100
(d) None

Is a option  correct here or do we need to look at the the square root of them for some other relation 14,13,9 .If none was not there i would have selected a only.
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2 Answers

Best answer
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2 votes

Answer -a(64).

Question is based on Ratio and proporation

selected by
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14 square is 196

13 square is 169

9 square is  81

8 square is 64

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