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

What country can make you shiver?

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?

Count the Triangle in the figure given below:

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Count the number of balls in picture below:

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.