Can you find out which number multiplied by itself will give the output as 12345678987654321?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

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

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

what one word does the below rebus identifies?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

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

What does below Rebus mean ?

esgg sgeg gegs gsge

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?