RRB Assistant Loco Pilot and Technician Model Paper 3 with solutions

Question : 8 of 100

Marks: +1, -0

Divide 81 into three parts so that

1/ 2

of 1st ,

1/ 3

of 2nd and

1 /4

of 3rd are equal.

Solution:

1/2X=1/3Y=1/4Z=K

∴ x = 2k, y = 3k, z = 4k
According to question
x + y + z = 81
⇒ 2k + 3k + 4k = 81 ⇒ 9k = 81 ⇒ k = 9
Hence, parts are 18, 27,36.

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