There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

Can you make a six-letter word using the letters N, A and B ?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

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?

They are three errirs in this question. Can you find them?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

What is the word or phrase?