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 have Rs.50 and I spend it in the way as below.

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Can you find out the number that should replace the question mark with a valid reason?

What is the next number in this series?

4,12,84,3612....

A pregnant woman is preparing to name her seventh child. Her children's names so far are Dominique, Regis, Michelle, Fawn, Sophie, and Lara. What will she name her next child -- Jessica, Katie, Abby or Tilly?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.