John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

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 am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

Count the number of squares in the picture below.

Do You See It?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

Can you find out what is missing?

1 3 5
2 4 ?

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

Using eight eights and addition only, can you make 1000?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?