If the diameter of a circle is doubled, its area is increased by ------ times.

Which is the next in the series ? 3,13,31,57, --------

If A = B/2; B = C2/2 and C = 2√3 Which is A of the following ?

If A means +, B means -, C means x and D means /, then the value of 18C14A6B16D4 is :

Length, breadth, height of a box are 4cm, 12cm and 1m, if density of air is 1.2 kg/m3. The mass of air present in the box is :

Tongue is related to Taste in the same way as Ear is related to :