They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

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?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

Can you place six X (crosses) in below board without making three in a row in any way ?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

How can you take 2 from 5 and leave 4?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Find the number of squares in the below-given picture.