Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

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

Can you write down eight eights so that they add up to one thousand?

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?

John was drowned by he was not wet. How?

A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

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