Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

What is at the end of a rainbow?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

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

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

What is the centre of gravity?

If 21x = 79x, what is the value of x?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?