If A is any statement, then which of the following is a tautology ?

What would be output of the following program ?

Which one of the following may improve the underlined part of a sentence:

Solve this one 🙂

By how many minutes do the two clocks differ at 4pm on 22nd Jan 2010?

How many nodes a complete tree with N non leaf nodes contain

Which amongst the following is not a keyword ?

The value of x should be __ days

Which letter will be 4th from the right ?

Which of the following statement is true ?

Which of the following statement is true ?