What can you see in the middle of March and April that you can never see in any other month?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

What begins with T, ends with T, and has T in it?

What do you answer even though it never asks you questions?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

There is a circular car race track of 10km. There are two cars, Car A and Car B. And they are at the exact opposite end to each other. At Time T(0), Both cars move toward each other at a constant speed of 100 m/seconds. As we know both cars are at the same speed they will always be the exact opposite to each other.
Note, at the center, there is a bug which starts flying towards Car A at time T(0). When the bug reaches car B, it turns back and starts moving towards the car A. The speed of bug is 1m/second. After 5 hours all three stop moving.
What is the total distance covered by the bug?