What has many keys but can’t open a single lock?

Which digit occurred maximum times between the number 1 and 1000?

What is the centre of gravity?

How many Watermelons are there in the below picture?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Three friends named Mr. Black, Mr. Yellow and Mr. Green enter a pub on a weekend night. They are wearing either a Black, Yellow or Green shirt.

Mr. Yellow says to them, 'Did you notice that we all are wearing different color shirts than our names?'

To this, the man who was wearing the Green shirt said. 'Wow, thats right.'

Can you identify who is wearing which colour shirt ?

Solve below rebus puzzle?

What makes this number unique: 8,549,176,320?

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?

Replace the question mark with the correct number in the below-given picture?