What does below Rebus mean ?

esgg sgeg gegs gsge

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

How many sides does a circle have?

Be active and find the killer in the picture Riddle below.

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?