If x : y = 5 : 2 , then (8x + 9y) : (8x + 2y) is

RRB Junior Engineer Stage 1 Model Papers 9

Question : 29 of 100

Marks: +1, -0

x : y = 5 : 2

, then

(8x + 9y) : (8x + 2y)

Solution:

x/y=5/2

{8x+9y}/{8x+2y}={8 x/y+{9y}/y}/{8 x/y+{2y}/y}={8×5/2+9}/{8×5/2+2}=29/22

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