What does the below rebus riddle means?

What do you think with the below Picture ?

Forwards I am heavy, backward I am not. What am I?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

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

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

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

How many times can you subtract the number 5 from 25?

It belongs to you, but other people use it more than you do. What is it?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?