Which is faster, Heat or Cold ? Explain.

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

A convention is held where all the big logicians are summoned. The master places a band on everyone's forehead. Now all of them can see others bands but can't see his own. Then they are told that there are different colours of bands. All the logicians sit in circle and they are further explained that a bell will ring at regular intervals. The moment when a logician knew the colour of band on his forehead, he will leave at the next bell. If anyone leaves at the wrong bell, he will be disqualified.

The master assures the logicians that the puzzle will not be impossible for anyone of them. How will the logicians manage ?

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

Can you place three balls such that the equation shown in the picture holds true?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Find the value of "?" in the ball picture Riddle below: