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

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

Can you solve the maths in the below-given picture equation?

Which alphabet is a part of our body?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?