RRB Non Technical Model Papers 7 with solutions

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Question : 21 of 100

Marks: +1, -0

Divide Rs. 680 among P, Q and R such that P gets

2 /3

rd of
what Q gets and Q gets

1/4

th
of what R gets. Determine the share of R.

Rs. 480
Rs. 300
Rs. 420
Rs. 360

Solution:

(1)

P = 2/3 Q

,

Q=1/4 R

P=2/3×1/4R=R/6

∵P + Q + R = 680

⇒ R/6+ R/4+R = 680

⇒{2R + 3R +12 R}/12=680

⇒ ={17R}/12=680

∴ R = 480

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