What is the next number in the series?

15 29 56 108 208 ?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

Can you find out the remainder when 3^300 is divided by 5?

Complete the table series riddle by finding the number that can replace "??".

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Take away the whole and some still remain. What is it?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

What do you call a fish without an eye?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.