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Question

`(sqrt(225/729)  -  sqrt(25/144))  -:  sqrt(16/81)`  = ?


Options:
A .  `1/48`
B .  `5/48`
C .  `5/16`
D .  None of these
Answer: Option C

Given exp. =  `(sqrt(225/729)  -  sqrt(25/144))  -: sqrt(16/81)`

                 =  `(15/27 -  5/12) -: 4/9`  =    `15/108 xx 9/4`   =  `5/16`



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