exam
Maths Puzzle
Numerical Ability
Factor completely:
125y^3+z^3
Read Solution (Total 0)
exam Other Question
(((-2a^3b^5)^3)times(8a^5bc^2)^0)))
a water tank can be filled in 20 hours by an inlet pipe and emptied in 25 hours by an outlet pipe. how long will it take to fill the tank if both pipes are left open?