Take away the whole and some still remain. What is it?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

In the image given, you can find several triangles. Can you count them all?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

What goes through cities and fields, but never moves?

What is more useful when it is broken?

Can you spot the man between the coffee bean in the picture below ?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?