Question:In a family, the father  took `1/4` of the cake and he had 3 times as much as others had.
The total number of family members is : 

A `3` 
B `7` 
C `10` 
D `12` 

+ Answer
C 

+ Explanation
Let there be `(x + 1)`members.

Father 's share `= 1/4`,share of each other member 

`= 3/(4x)`

:.` 3 (3/(4x)) = 1/4`

or ` 4x = 36`

or ` x 9`.

:. The total number of family members `= 10`.

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Irin Moni

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