What goes up but never comes down?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

Which tank will fill first?

ENEMY = 2 * LINK
LINK + 2 = HELL

Then what will be TAXI + HELL? Select from the options below:
a) ROTTEN
b) DANGER
c) HEAVEN
4) MORTAL

What word begins and ends with an E, but has only one letter?

Decode the below four famous ciphers:

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

Different lights make me strange by changing me into different sizes. What am I?

John was piloting a plane behind a car but was never able to overtake it. Why?