How many times in a given day, minutes and hour clock comes in a straight line ?

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?

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

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

What brings you down but never up?

Before Mount Everest was discovered, what was the highest mountain in the world?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

A man dies of old age on his 25 birthday. How is this possible?

What has hands, but can’t clap?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?