book
Maths Puzzle
Numerical Ability
What quantity of 60 per cent acid solution must be mixed with a 20 per cent solution to produce 720 mL of a 50 per cent solution?
Read Solution (Total 0)
book Other Question
A ladder is resting against a wall. The top of the ladder touches the wall at a height of 15 feet. Find the length of the ladder if the length is 5 feet more than its distance fr
Dominic rode his motorbike 20 min to Helen home, and then the two drove in a car 30 min to a beach 35 mi from Dominic's home. If the car speed was 10 mi/h faster than that of the m