Which of the following metals occurs in Free State?

Amir Khusrau was a famous court poet of

In the following question , a series is given with one terms missing . Choose the correct alternative from the given ones that will complete the series :

21 , 26 , 33 , 42 , 53 , ? 

If a =500, b=502 and c=504, then the value of a³ +b³ +c³-3abc

Choose the word which is most nearly the same in meaning as the word given in capital letters:

ABRIDGE

In the following question, choose the word opposite in meaning to the given word.

TREMULOUS

A dozen pairs of socks quoted at 180 are available at a discount of 20 %. How many pairs of socks can be bought for 48?