exam
Maths Puzzle
Numerical Ability
How many milliliters of a 40% acid solution must be added to 150 milliliters of a 65% acid solution to obtain a 50% acid solution?
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exam Other Question
The second of two numbers is 3 more than the first. If 4 times the first is increased by the second, the result is 73. Find the numbers.
2x-8>4x+1