Which alphabet is a part of our body?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

What is the last thing you take off before bed?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

Can you find out the missing number in the grid?

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?