The present ages of three colleague's are in proportions 3 : 5 : 7. Four years ago, the sum of thier ages was 48. find thier present ages (in years) ?

The present ages of three colleague's are in proportions 3 : 5 : 7. Fo

1.	The present ages of three colleague's are in proportions 3 : 5 : 7. Four years ago, the sum of thier ages was 48. find thier present ages (in years) ?
A.	12 , 20 and 28 years
B.	13 , 15 and 23 years
C.	11 , 16 and 19 years
D.	20, 24 and 27 years
E.	None of these
Answer» B. 13 , 15 and 23 years

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The present ages of three colleague's are in proportions 3 : 5 : 7. Four years ago, the sum of thier ages was 48. find thier present ages (in years) ?

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