Can you make a six-letter word using the letters N, A and B ?

Which alphabet is a part of our body?

What goes through cities and fields, but never moves?

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

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?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

If eleven plus two equals one, what does nine plus five equal?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?