A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

If you had an infinite supply of water and 5-quart and 3-quart pails, how would you measure exactly 4 quarts? What is the least number of steps you need?

What is both possible and impossible at the same time?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

what does the below rebus mean?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?