General
Maths Puzzle
Numerical Ability
Time and Work
3 pipes A,B,C can fill a tank in 60 min, 30 min, and 15 min respectively.
If all open the same time how long it takes to fill the tank.
Thanks
Read Solution (Total 1)
-
- 8 4/7
In 1 min. 3 pipes can fill 1/60 + 1/30 + 1/15 = 7/60
So tank will be filled in 60/7 or 8 4/7 min. - 7 years agoHelpfull: Yes(0) No(0)
General Other Question
(xn+yn) is divisible by (x-y)
if n is:
a) Even integer
b) Odd integer
c) For all integers
d) Not possible for any real values
1, -1, 2, -3, 4, -7, 6, -11, 8, -15, 14, ----------