If 100=20 , 324=36 and 441=42 what is 841 equal to?

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A 58
B 29
C 78
D 39

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Answer: A. 58

The square root of 100 multiplied by 2 is 20. The square root of 324 multiplied by 2 is 36 , the square root of 441 x 2 is 42 similarly the square root of 841 is 29. When 29 is multiplied with 2 the result is 58.

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If 100=20 , 324=36 and 441=42 what is 841 equal to?

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