People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Spot what is wrong here in below Picture?

What is next number in the pattern below:

131 517 192 123 ?

Look at the picture and find out which square is not linked with any of the other squares.

Can you fill the blank with the correct number?

6 30 870 756030 _____

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

Given that

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

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

Can you count the number of quadrilaterals in the picture below?