What four weights can be used to balance from 1 to 30 pounds?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

You have two bottles of pills marked with labels A and B. The pills are identical. The doctor has asked you to take one A pill and one B pill daily. You cant take more or less than that.

While taking out the pills one day, you took out one pill from A and by mistake took out two from B. You have no idea which pill is which now.

You cant throw away the expensive pills. What will you do now?

Can you make four (4) nines (9) equal 100?

How many times can you subtract the number two from the number fifty?

What has to be broken before you can use it?