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Question

If `sqrt(1 + x/169)` =  `14/13`,then `x` is equal to :


Options:
A .  1
B .  13
C .  27
D .  None of these
Answer: Option C

`sqrt(1 + x/169)` =  `14/13`  `rArr`  1 + `x/169` = `196/169`   `rArr`  `x/169` = `(196/169 - 1)` =  `27/169``rArr` `x` = 27




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