What seven-letter word has hundreds of letters in it?

How many triangles are there on the puzzle below?

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.

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

Complete the following series. It.s very logical:

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

There is one four-digit whole number n, such that the last four digits of n2 are the original number n