what does the below math rebus puzzle mean?

Look at the picture and find out which square is not linked with any of the other squares.

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

What does Alexander the Great and Winnie the Pooh have in common?

Find the number of squares in the below picture

Find the next number in the following series:
6, 14, 26, 98, __?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

What word begins and ends with an E, but has only one letter?

To tease, King Akbar told his most clever advisor Birbal to give his daughter one thing that she can eat when hungry, drink if she feels thirsty and can burn if she feels cold. King Akbar was shocked when Birbal gave Akbar's daughter one such thing that satisfies all of the above.

What did Birbal give to Akbar's daughter?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?