Find the missing number in the sequence below:

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

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 ?

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to a different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out on the third floor.

Can you find out who leaves the lift on which floor?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

How do you go from 98 to 720 using just one letter?

Can you start the fire using two pieces of wood?

There was a strange boy who was born before his father. How can this be possible?