Take away the whole and some still remain. What is it?

What is so fragile that saying its name breaks it?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?

Count the number of triangles in the picture below:

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

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

What is next number in the pattern below:

131 517 192 123 ?

You have a thousand Re. 1 coins with you. You have ten bags with you and you can put any number of coins in each of the bags. The condition is that if someone asks you for any amount between 1 and 1000, you must be able to give that amount by just giving the bag (you are not allowed to open the bag and give coins).

How will you do it?