What question can you never answer yes to?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What has 13 hearts but no other organs?

Out of four images which one is the odd one out?

I am quite hot but become too cold if you remove the first two letters. What am I?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?