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?

If eleven plus two equals one, what does nine plus five equal?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

What breaks yet never falls, and what falls yet never breaks?

Which word does the below Plexor means ?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

How many times in a given day, minutes and hour clock comes in a straight line ?

I have branches, but no fruit, trunk or leaves. What am I?

What do you call a fish without an eye?