There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

John was gifted a new Hayabusa. He drove x miles at 55mph. Then he drove x+20 miles at 40mps. He drove his bike for 100 minutes. How much distance did he travel?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Can you name an animal whose killing cannot be performed without spilling your own blood?

What's the next in the series?

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

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?