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?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

During a secret mission, an agent gave the following code to the higher authorities
AIM DUE OAT TIE MOD

However, the information is in one word only and the rest are fake. To assist the authorities in understanding better, he also sent them a clue, If I tell you any one character of the code, you can easily find out the number of vowels in the codeword.

Can you find out the code word?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Prove that the below maths equation is true.

8 + 8 = 91

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.