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?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

Replace the question mark with the correct number in below Picture:

What 5-letter word typed in all capital letters can be read the same upside down?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

what one word does the below rebus identifies?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

what does the below math rebus puzzle mean?

What runs around the whole yard without moving?