It belongs to you, but other people use it more than you do. What is it?

Which tank will fill first?

If six children and two dogs were under an umbrella, how come none of them got wet?

There were three women in all the swimming costumes!
One was happy and the other two were sad!
The happy one was crying and the sad ones were smiling.
Why was this?

What jumps when it walks and sits when it stands?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

What is the word or phrase?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

What is next number in the pattern below:

131 517 192 123 ?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?