O_er_t_o_

Complete the missing letters of the given word.

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

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?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

If an electric train is travelling south, then which way is the smoke going?

The more of this there is, the less you see. What is it?

What has to be broken before you can use it?

It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten-digit numbers.

But do you know how many of these numbers are prime?