Three numbers are in the ratio 5 : 7 : 12. If the sum of the first and the third is greater than the second by 50. The sum of the three numbers is = ?

Three numbers are in the ratio 5 : 7 : 12. If the sum of the first and

1.	Three numbers are in the ratio 5 : 7 : 12. If the sum of the first and the third is greater than the second by 50. The sum of the three numbers is = ?
A.	25
B.	20
C.	5
D.	5
Answer» C. 5