exam Maths Puzzle Numerical Ability

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?

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exam Other Question

What fraction names the shaded part of each of the following figures?

There is a pic of a rectangle split into 7 sections and 3 of the sections are colored red.
would the answer be numerator? Help. 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?