Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

How is the moon similar to a dollar?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

What you cannot hold but it is yours?