Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

Can you count the number of triangles in the given figure?

In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Complete the table series riddle by finding the number that can replace "??".

What time is it when an elephant sits on a fence?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?