O_er_t_o_

Complete the missing letters of the given word.

How many letters are in the alphabet?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

How many letters are in the alphabet?

Which is the correct shadow of the bird?

Before Mount Everest was discovered, what was the highest mountain in the world?

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

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?