what does this picture(rebus) riddle means ?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

A man fell off a smuggling boat into deep water. He could not swim and he was not wearing anything to keep him afloat. It took 30 minutes for the people on the boat to realize someone was missing. The missing man was rescued two hours later on the return trip. Why didn't he drown? Note:- He didn't know swimming, the sea was deep, and He wasn't holding anything

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

Can you solve the rebus below?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

What is the next number in the series?

15 29 56 108 208 ?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

I look at you, you look at me I raise my right, you raise your left. What am I?