What number when divided in half becomes zero?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Find The Odd One Out

1. FLOW
2. SNIP
3. TRAP
4. DRAW
5. BACK

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

Who are the happiest people in IPL match?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

What do you call a fish without an eye?

1 dollar = 100 cent
= 10 cent x 10 cent
= 1/10 dollar x 1/10 dollar
= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem?