Replace the question mark with the correct number below.

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

What is wrong in the below Picture?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

A woman named Maria was at the funeral of her mother. She met a nice young man that she had never seen before and after the service, they spent a bit of time together. Then she got busy and didn’t get his name or phone number before he left. She tried to find him, but no one knew who he was or how to contact him. A few weeks later, Maria’s older sister dies and the police suspect murder. Who killed the sister?

Solve the counting riddle by identifying the number of triangles in the given picture.

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

The Puzzle: Here is a famous prize problem that Sam Loyd issued in 1882, offering $1000 as a prize for the best answer showing how to arrange the seven figures and the eight 'dots' .4.5.6.7.8.9.0. which would add up to 82