Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

Which is faster, Heat or Cold ? Explain.

James ordered a fishing rod, priced at $3.56. Unfortunately, James is an Eskimo who lives in a very remote part of Greenland and the import rules forbid any package longer than 4 feet to be imported. The fishing rod was 4 feet and 1 inch, just a little too long, so how can the fishing rod be mailed to James without breaking the rules? Ideally James would like the fishing rod to arrive in one piece!

Which alphabet letter is a question?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

I am an odd number. Take away a letter and I become even. What number am I?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?