Count the number of triangles in the picture below:

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to a different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out on the third floor.

Can you find out who leaves the lift on which floor?

Solve the mathematical equation in the picture below.

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

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

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

Find the last number in the series below:

voN luJ yaM raM ---

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?