13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

The more it dries, the wetter it becomes. Can you tell what it is?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

The pound is not a finish.

We are sharing a few instructions below, which you have to use in any suitable order to modify the above sentence such that the end sentence is a scientific fact.

- Eliminate a letter and supplement another in its place.
- Take away one word.
- Remove one letter from one word.
- Get rid of two letters from one word.
- Swap a word with its antonym.

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

I have branches, but no fruit, trunk or leaves. What am I?