If 0.12 ÷ x² = 12, than x = ?

25 / .0005 = ?

A lamppost is divided into three parts, the first part is (1/3)rd of the whole length, second (3/8)th of the first and the third is 6 m 50 cm. The length of the lamppost is ?

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

Find the value of 1/3 + 1/15 + 1/35 + 1/63 + 1/99 .

The product of 3.5413 x 2.1 is

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