Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Who has married many women but was never married?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

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

What is the word or phrase?

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

What is the next number in the series?

15 29 56 108 208 ?

Can you solve the rebus below?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?