Why are all black people so quick ?

Find the number of squares in the below picture

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?

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

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A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

How many times can you subtract the number 5 from 25?

Can you name four days which start with the letter 'T'?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

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?