A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

What does below Rebus say?

XLR8

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?

Can you solve below mathematical equation?

2^1234 - 2^1233

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What does below rebus means ?

Why is the longest human nose just 11 inches?

How many times do a clock's hands overlap in a day ?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?