71the income and expenditure of a, b and c are in the ratio 7:9: 12 and 8 :9:15.ifa savesth part of his income. find the ratio of saving of a, b and c? y 56:99:

71The income and expenditure of A, B and C are in the ratio 7:9: 12 and 8 :9:15.IfA savesth part of his income. Find the ratio of saving of A, B and C? y 56:99:69 (3) 99:56:69 (2) 69:56:99 (4) 99:69: 56 ISSC Graduate level, 2003