RRB RPF RPSF SI and CONS Model Papers 8 with solutions

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Question : 40 of 120

Marks: +1, -0

If

x= {1}/{3} y

and

y= {1}/{2} z

then x : y : z, is equal to :

3 : 2 : 1
1 : 2 : 6
1 : 3 : 6
2 : 4 : 6

Solution:

(2)

{x}= {1}/{3} {y} ...(\i)

y = 3x ...(\ii)

{y}= { {z}}/{2} ....(\iii)

From (i), (ii) and (iii)

x : y : z = 1 : 2 : 6

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