Find the missing letter in the last circle logically in the given below picture.

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

What is both possible and impossible at the same time?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Find the next number in the series.
1 10 24 43 67 ?

Make a sentence consisting of three words that have the whole alphabet.

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?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

What goes through cities and fields, but never moves?