Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

What breaks yet never falls, and what falls yet never breaks?

Move four matchsticks to the below square to form three squares?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?