exam Maths Puzzle Numerical Ability

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sqare root of X + 2 + 15 = 11

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exam Other Question

Express the ratio 750 cm:3 m in simplest form. in a class of 68 students, there are 8 fewer democrats than republicans, and there are only half as many independents as democrats if every student is registered as a democrat, republican, or independent, how many students are in each group?