You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

Who are the happiest people in IPL match?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?