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

What Word am I Looking For ?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Can you find the key in the picture below?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

Whats the next number in the below number sequence pattern.

Which flower has two lips?

Find the last number in the series below:

voN luJ yaM raM ---

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

Bay of Bengal is in which state?