Latest IBPS Aptitude Question SOLUTION: The income of A, B and C are in the ratio 7 : 9 : 12 and theirspending are in the ratio 8 : 9 : 15. If A saves 1/4 th of the income then what is the ratio of the savings of A, B an

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(#M40041279) IBPS Numerical Ability question Ratio and proportion Keep an EYE

The income of A, B and C are in the ratio 7 : 9 : 12 and theirspending are in the ratio 8 : 9 : 15. If A saves 1/4 th of the income then what is the ratio of the savings of A, B and C ?

Asked In IBPS teddy (9 years ago)

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Read Solution (3) :

Sumaja  (8 years ago)

Income = 7x:9x:12x
Spending = 8y:9y:15y
Saved: 7x-8y: 9x-9y: 12x-15y
7x-8y = 7x / 4
y = 21x/32
9x - 9y = 99x/32
12x-15y = 69x/32
Saved: 7x/4:99x/32:69x/32 = 56:99:69

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Anil kumar yadav  (9 years ago)

ans 56 : 99 :69

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HARJINDER SINGH  (9 years ago)

Total income of A, B, C = 7x + 9x + 12x = 28x ;

A spends 7x X (3/4) = (21/4)x ; A saves = 7x - (21/4)x = (7/4)x ;

B spends = (9/8) X (21/4)x = (189/32)x ; B saves = 9x - (189/32)x = (99/32)x ;

C spends = (15/8) X (21/4)x = (315/32)x ; C saves = 12x - (315/32)x = (69/32)x ;

savings of A : B : C

= (7/4)x : (99/32)x : (69/32)x

= 56 : 99 : 69 .

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