Which country gets ill every time?

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

What does this rebus riddle means ?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

What does below chemistry rebus means?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?