What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

I taste better than I can smell. Who am I?

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 ?

What word begins and ends with an E, but has only one letter?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Can you count the number of triangles inside a triangle?

Can you complete the sequence?

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