I am an odd number. Take away a letter and I become even. What number am I?

Dwayne Johnson was running away with the loot from a heist in his car along with Vin Diesel. One tire was punctured and he dropped down to replace it. While changing the wheel, he dropped the four nuts that were holding the wheel and they fell into a drain. Vin Diesel gave him an idea using which they were able to drive till the rendezvous point.

What was the idea ?

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

They are three errirs in this question. Can you find them?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Which tank will fill first?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?