exam
Maths Puzzle
Numerical Ability
how do you make 7 triangles out of the letter M
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exam Other Question
How much of a 35% alcohol solution shoud be mixed with 2 liters of a 60% alcohol solution to produce a 50% alcohol solution?
Please help me SIMPLIFY this solution:
(a/b - 1/ab) OVER (1/b + 1/ab)