Solve the mathematical equation in the picture below.

Solve this riddle by finding the odd one out from the rest.

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

O_er_t_o_

Complete the missing letters of the given word.

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

I have feet, but no legs. Which animal Am I?

Solve the following series:
AZ, GT, MN, __, YB