last year the ratio between salaries of a and b was 3..., Latest Questions, General Mathematics

Question:Last year the ratio between the salaries of A and B was 3 : 4. But the ratio  of their individual salaries between last year and this year were 4 : 5 and 2 : 3 respectively. If the sum of their present salaries is Rs. 4160, then how much is the salary of A now ?

A Rs. 1040 
B Rs. 1600 
C Rs. 2560 
D Rs. 3120

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+ AnswerB

+ ExplanationLet their last years salaries be x 3x and 4x.

This year,s salaries are `5/4 xx 3x `and ` 3/2 xx 4x i.e (15 x)/4 `and 6x

`:. (15 x)/4 + 6x = 4160 => 39 x `

`= 16640 => 3x = 1280`

:. A,s salary now` = 5/4 xx 3x = 5/4 xx 1280`

`= 1600`

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