What do you get if you add 2 to 100 four times?

Two men play a dice game involving roll of two standard dice. Man X says that a 12 will be rolled first. Man Y says that two consecutive 7s will be rolled first. The men keep rolling until one of them wins.

What is the probability that X will win ?

What does below chemistry rebus means?

The more you take me, the more you leave me behind.
Who Am I?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

What is the word or phrase?

How many triangles are there on the puzzle below?

If a wheel has 54 spokes, how many spaces are there between the spokes?

You have a thousand Re. 1 coins with you. You have ten bags with you and you can put any number of coins in each of the bags. The condition is that if someone asks you for any amount between 1 and 1000, you must be able to give that amount by just giving the bag (you are not allowed to open the bag and give coins).

How will you do it?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.