I am white when I am dirty, and black when I am clean. What am I?

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

John was drowned by he was not wet. How?

What Deficiency does the below rebus represent?

VIT_MIN

What is the largest number you can write with just 3 digits?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

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

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?