From a rope 30 m long, a person cuts off as many pieces as possible, each 3 1/4 m long. What fraction of the whole will be left ?

A person was asked to state his age in years. His reply was , "Take my age 3 years hence, multiply it by 3 and subtract 3 times my age 3 years ago and you will know how old I am." What was the age of

The numerator of a fraction is 3 less than its denominator. If we add 10 to the numerator, the fraction is increased by 1 3/7. What was the original fraction?

(.538 x .538 - .462 x .462) / (1-.924) = ?

[{(0.1)² - (0.01)²} / {0.0001 + 1 }] is equal to ?

Which of the following fractions is greater than 3/4 and less than 5/6?

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