How can you write nineteen in a manner that if we take out one, it becomes twenty?

Can you find out the remainder when 3^300 is divided by 5?

what one word does the below rebus identifies?

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

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

What is at the end of a rainbow?

What does man love more than life, hate more than death or mortal strife; That which contented men desire; the poor have, the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?