What does below Rebus say?

XLR8

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Which alphabet letter is a question?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

Can you replace the question mark with the correct number in the below table sequence?

Find the number of squares in the below-given picture.

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

What has many teeth, but cannot bite?

If two's company, and three's a crowd, then whats four and five ?