What is the Total Journey of A Man? If

A man performs 4/7th of the total journey by train, 5/21th by car and the remaining 8 km on foot. His total journey is:

  1. 42 km
  2. 21 km
  3. 30 km
  4. None of these
Desire Adnan Default Asked on 3rd August 2015 in Maths.
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1 Answer(s)

Answer: (4) None of these
Explanation:-
Let the total journey be X km.
A man covered journey by train = X x 4/7
= 4 X/7
And man covered journey by car = X x 5/12
Remaining journey = 8 km
Then.
X – (4 X/7 + 5 X/12)   = 8
X – (32 X + 35 X)/84 = 8
84 X – 67 X = 8 x 84
17 X = 672
X = 672/72
X = 39.52 km
Then, the total journey is 39.52 km.
Hence, the answer is (4) None of these.

Anurag Mishra Professor Answered on 4th August 2015.
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