John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

When is the top of a mountain similar to a savings account?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

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

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?

What does this mathematical rebus means ?

What breaks yet never falls, and what falls yet never breaks?