what does the below rebus means?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

What does below rebus means ?

What does this rebus picture identify?

Spot the 3 Differences in the given Picture.

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten-digit numbers.

But do you know how many of these numbers are prime?

Which five letter word can be added at the end of below word to form a
valid word?

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They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

What is the Surname of Barbie Doll?