Trying to tease Birbal, Akbar gave him one gold coin and ask him to buy
* something for him to eat
* something for him to drink.
* something to feed the cows
* something to plant in the garden
and most important you need to buy only one thing.

What must Birbal buy to silence Akbar?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What runs around the whole yard without moving?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Can you find the thief by just looking at the picture below?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

Which is the smallest number that you can write using all the vowels exactly once?