I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

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

In a family supper, a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one daughter-in-law, and one mother-in-law need to sit at a table.

There are only seven chairs available at the place. How many more chairs do they have to borrow so that everyone can sit down together for the suppers if everybody requires a separate chair?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

If Japan and Panama decided to merge into a single country, probably people will name it Japanama.

Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?

Can you decipher the two rows to find the hidden word?

Can you complete the sequence?

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

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?