What number comes next in the series?

5 15 5 18 5 24 14 20 _

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

In the image given, you can find several triangles. Can you count them all?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask.

For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away.

How did he die then?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?