exam
Maths Puzzle
Numerical Ability
a water tank contains 230 L of water when it develops a leak. Water drips out at a rate of 1.5L/min. How long would it take for all the water to drip out?
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exam Other Question
A pharmacist needs 70 liters of a 50% alcohol solution. She has availible a 30 % solution and an 80% solution. How many liters of each solution should she mix to obtain 70 liters of a 50% alcohol solution ?
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