Rectify the following equality 101 - 102 = 1 by moving just one digit.

Find the next number in the series below

21 32 54 87 131 ?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

A sundial has the fewest moving parts of any timepiece. Which has the most?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

What occurs twice in a week, once in a year but never in a day?