I’m tall when I’m young, and I’m short when I’m old. What am I?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

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

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

How can you leave a room with two legs and return with six legs?

What 5-letter word typed in all capital letters can be read the same upside down?