What number do you get when you multiply all of the numbers on a telephone's number pad?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

What does this Rebus Picture means ?

Replace the question mark with the correct number in below Picture:

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Can you find out the remainder when 3^300 is divided by 5?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?