Cristina was born in 1888. She just had her 30th birthday today how did that happen?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

What work can one never finish?

What you cannot hold but it is yours?

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

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

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?

Solve the mathematical equation in the picture below.

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?