CTS Company Programming Puzzles

A drove of sheep and chickens have a total of 99 heads and feet. There are twice as many chickens as sheep. How many of each are there?

Read Solution (Total 4)

c=2s;
3c+5s=99;
c=18;
s=9;
13 years agoHelpfull: Yes(20) No(12)

Let S be the number of sheep and C be the number of chickens.
Therfore
2S = C
5S + 3C = 99

(because Sheep has one head and four leg(1+4=5) while chickens have 1 head+2 leg(1+2=3))

After solving above two equation we get S=9, C=18.
11 years agoHelpfull: Yes(13) No(2)
let chicken be x and sheep be y
x=2y (given)
3x+5y=99 (chicken has two legs and one head i.e 3 likewise sheep=5
y=9
x=18
8 years agoHelpfull: Yes(2) No(0)
9 sheep and 18 chicken
5 years agoHelpfull: Yes(0) No(0)

CTS Other Question

On a man's tombstone, it is said that one sixth of his life was spent in childhood and one twelfth as a teenager. One seventh of his life passed between the time he became an adult and the time he married; five years later, his son was born. Alas, the son died four years before he did. He lived to be twice as old as his son did. How old did the man live to be? Arun has certain number of books. It is not less than 15 and not more than 30. If he wants to give these books equally to 2 of his friends, then 1 book will remain. If he wants to give these books equally to 3 of his friends, then 2 books will remain. If he wants to give these books equally to 4 of his friends, then 3 books will remain. What is the number of books he had?

a) 19 b) 17 c) 29 d) 23