During which month do people sleep the least?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

Spot 5 differences in two Christmas tree below:

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

What part of the chicken has the most feathers?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain