Be active and find the killer in the picture Riddle below.

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

You see me once in June, twice in November, and not at all in May. What am I?

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

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

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?