By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

What makes this number unique: 8,549,176,320?

When can we add 2 to 11 and get 1 as the correct answer?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

Find the missing letter in the last circle logically in the given below picture.

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

Who can jump higher than a Mountain?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?