exam Maths Puzzle Numerical Ability

One person can devote 24 hours a week to a project and two others can each devote 30 hours a week to the same project. If the total project requires 420 hours to complete, how many weeks will it take?

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exam Other Question

What is the probability of drawing a yellow marble or a red marble from a bag containing 12 yellow marbles, 16 red marbles, and 15 green marbles? Hello, please help me. I need to find the area of a rectangle. One side is /3+/5 (my / means rational) and the other side is the same.

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