If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

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?

If you say my name, I will no longer exist. What am I?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

Replace the question mark with the correct number.

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?