exam Maths Puzzle Numerical Ability

ISBN 1 902 214 13X - Essential Mathematics Book 8 - David Rayner

The height of a balloon increases at a steady rate of x metres in t hours. How far will the balloon rise in one hour? How far will the balloon rise in 4 hours?

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At 10:00 a.m, a car leaves a house at a rate of 60 mi/h. At the same time, another car leaves the same house at a rate of 50 mi/h in the opposite direction. At what time will the cars be 330 miles apart? Jayne has 3 quarters, 2 dimes, a nickel, and 2 pennies in her pocket. How many different amounts of money can she make using some or all of her money?