1. The incomes of A, Band C are in the ratio 7 : 9 : 12 and their spendings are in the ratio 8 : 9 : 15. If A saves 1/4 th of his income, then the savings of A, B and C are in the ratio of
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By: anil on 05 May 2019 02.01 am
let the income of A , B , C be 7a, 9a, 12a and expenditure be 8b, 9b, 15b respectively saving of A = 7a - 8b savings of B = 9a - 9b saving of C = 12a - 15b given that 7a - 8b = 7/4 a 28a - 32b = 7a 21a = 32b b = 21/32a ratio of saving of A , B , C is :- 7/4a : 99a/32 : 69/32a 56 : 99 : 69
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