I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Who can jump higher than a Mountain?

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

What is the word or phrase below?
R | E | A | D

There is something which you can be arrested for attempting but not for successfully completing.

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Can you decipher the below rebus?

PBLUESAISNUERSES

f you were running a race, and you passed the person in 2nd place, what place would you be in now?