It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

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?

Out of the nine cats that you can see in the picture, there are only two that are completely identical. Can you find them out?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

What does this rebus riddle mean?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?