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Question

If `sqrt(1 + 55/729)` = 1 + `x/27` , then the value of `x` is :


Options:
A .  1
B .  3
C .  5
D .  7
Answer: Option A

`sqrt(1 + 55/729)` = 1 + `x/27`  `rArr` `sqrt(784/729)` =  `(27 + x)/(27)` `rArr` `28/27` =` (27 + x)/(27)`

                            `rArr`  27 + `x` = 28  `rArr`  `x` = 1.



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