Character literal is assigned to a:

1. char variable
2. char type literal
3. string variable
4. string literal

A character literal is enclosed in:

1. ' '
2. " "
3. : :
4. { }

The statement n += 4 is equivalent to:

1. ++n
2. n=n+4
3. n+1
4. None

What will be the output of a++, if int a= -1;?

1. 1
2. -1
3. 0
4. none