John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

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

which number am I?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

What can you deduce from the following BrainBat?

CRY
LMKI

A father's child, a mother's child, yet no one's son.

Who am I?

What demands an answer, but asks no questions

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211