__________ is the main circuit board of a computer.

The value of logtan1° + logtan2° +....+logtan89° is:

 The Prime Minister Lal Bahadur Shastri faced which of the following issues challenging the basic values and goals of Indian Nation?

Which of the following numbers is irrational?

A gave 60% of amount to B. B gave 40% of amount received from A to C. If amount received by C from B is Rs.192, then find the amount received by B from A.

A certain sum becomes Rs. 2,356 in 3 years and Rs. 2,660 in 5 years on simple interest. The value of the sum is: 

Which of the following is/are true about the psychological approach?

I.         It is given by Mason Haire.

Parity bits" are used for which of the following purposes 

Light year is a measure of

Which of the following is/are a benefit of union membership?

      I.        Higher wages