what's the probability of getting a king or a queen from a pack of 52 cards?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

Why Wine Glass Stem is so long?

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

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

What has no start, end, or centre?

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

How is the moon similar to a dollar?