How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

By moving just one matchstick, you need to make the below statement true. Can you do it?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Can you identify if it's a murder or a suicide ?

It belongs to you, but other people use it more than you do. What is it?

A car meter reading shows 72927 miles a palindromic number.
what is the minimum number of miles you would need to travel to see another palindromic number on the car meter reading?

They are three errirs in this question. Can you find them?

I’m tall when I’m young, and I’m short when I’m old. What am I?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?