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?

Spot what is wrong here in below Picture?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

What's the best place to go shopping in the ocean?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

Identify the 10 differences between the two given pictures.

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?