Fractions and Decimals — Prelims Questions

A water tank can be filled by pipe A in 6 hours and by pipe B in 8 hours. If both pipes are opened together, what fraction of the tank will be filled in 2 hours?

If 0.75 × 0.48 = 0.36, then 7.5 × 4.8 equals:

Which of the following fractions is closest to 0.6?

A recipe calls for 2.5 cups of flour. If you want to make 2/3 of the recipe, how many cups of flour do you need?

If 3/8 of a number is 24, what is 5/6 of the same number?