O_er_t_o_

Complete the missing letters of the given word.

What has many keys but can’t open a single lock?

I travel all around the world but always stay in the corner. What am I?

Using Only Five 5's and any mathematical operator make sum as 37

What does an Island and the letter T have in common?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Which digit occurred maximum times between the number 1 and 1000?

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