If a number is divided by 6 , 3 is the remainder . What is remainder if the the square of the number is divided by 6?

5

4

3

2

Correct Answer : C

2 + 22 + 222 + 2.22 = ?

What is the year next to 1990 which will have the same calendar as that of the year 1990?

23732 × 999 = ?