We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Can you divide the below-given shape into four equal and identical pieces?

What word begins and ends with an E, but has only one letter?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

What has lots of eyes, but can’t see?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?