You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

What is black when you buy it, red when you use it, and gray when you throw it away?

What Time Should the last watch show in the below figure?

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?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

I have Rs.50 and I spend it in the way as below.

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

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

How many times can you subtract the number two from the number fifty?