Railways
R.R.C. (Hajipur) Solved Paper Held on 1st Shift 30-11-2014
question_answer
A certain number of horses and an equal number of men are going somewhere. Half of the owners are on their horse's back while the remaining ones are walking along leading their horses. If the number of legs walking on the ground is 70, how many horses are there?
A)10
B)12
C)14
D)16
Correct Answer:
C
Solution :
Suppose there are x horses. Then, \[4x+2\times \frac{x}{2}=70\] \[5x=70\] x=14