Can you convert the number zero(0) into a positive number using just one mathematical operator ?

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

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

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

What goes up but never comes down?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?