I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

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

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Why do you find that most of the buildings are deprived of the 13th floor?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

What can you catch but never throw?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

What does the below image rebus riddle means ?

What has no start, end, or centre?