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

There is a place where if I stand up straight, I will still be considered sideways.

You see me once in June, twice in November, and not at all in May. What am I?

What's the next in the series?

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

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

What goes up but never comes down?

Which country gets ill every time?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

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?

How can you take 2 from 5 and leave 4?