Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

How many letters are in the alphabet?

Why is the longest human nose just 11 inches?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

What Time Should the last watch show in the below figure?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?