CSC Company Numerical Ability Algebra

A certain number of horses and an equal number of men are going somewhere. Half of the owners are on their horses' 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

Read Solution (Total 3)

ans c 14

legs 14*4 = 56
now half on their horses so remaining on the walk so 7 men
7 men has 14 legs
so, 14+ 56 = 70 legs walking
12 years agoHelpfull: Yes(1) No(1)

Let number of horses = number of men = x.

Then, number of legs = 4x + 2 x (x/2) = 5x.

So, 5X = 70 or x = 14.
11 years agoHelpfull: Yes(0) No(0)
Let number of horses = number of men = x.

Then, number of legs = 4x + 2 x (x/2) = 5x.

So, 5X = 70
x = 14.
9 years agoHelpfull: Yes(0) No(0)

CSC Other Question

When Rahul was born, his father was 32 years older than his brother and his mother was 25 years older than his sister. If Rahul's brother is 6 years older than him and his mother is 3 years younger than his father, how old was Rahul's sister when he was born ?

A. 7 years
B. 10 years
C. 14 years
D. 19 years
Ravi's brother is 3 years senior to him. His father was 28 years of age when his sister was born while his mother was 26 years of age when he was born. If his sister was 4 years of age when his brother was born, what were the ages of Ravi's father and mother respectively when his brother was born ?

A. 32 years, 23 years
B. 32 years, 29 years
C. 35 years, 29 years
D. 35 years, 33 years