RRB Group D Model Paper 5 with solutions

Question : 52 of 100

Marks: +1, -0

If x : y = 3 : 4, then (4x + 5y) : (5x – 2y) = ?

Solution:

(2)

{4x+5y}/{5x-2y}

{{4x}/y+{5y}/y}/{{5x}/y-{2y}/y}

{4x/y+5}/{5x/y-2}

{4×3/4+5}/{5×3/4-2}

{8×4}/{15-8}=32/7

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