Which is heavier: a ton of bricks or a ton of feathers?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

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 is the last thing you take off before bed?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

What is wrong in the below Picture?

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

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

What Adam and Eve do not have but the rest of the people have?

Can you fill the blank with the correct number?

6 30 870 756030 _____