What is the next number in the series?

15 29 56 108 208 ?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

In the four images below, can you find the odd one out?

A sundial has the fewest moving parts of any timepiece. Which has the most?

Our product and our sum always give the same answer. Who are we?

What does the below rebus riddle means?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable