An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

The LCD device should be able to tell the right time in the format HH:MM: SS in a 12-hour format. You can refer to the picture to get an idea. The device is a simple "level indicator" which has to be converted into a watch. How will you program it to work?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

What can you hold in your right hand, but never in your left hand?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

By what process could you make a 'Tea-Table' into food?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?