Which is Odd One Out and why?

4377

3954

9862

8454

9831

Can you solve the photo plexer logic ?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

Can you write down eight eights so that they add up to one thousand?

What word is pronounced the same if you take away four of its five letters?

What is black when you buy it, red when you use it, and gray when you throw it away?

What is the fastest way to double your money?

Do You See It?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

A convention is held where all the big logicians are summoned. The master places a band on everyone's forehead. Now all of them can see others bands but can't see his own. Then they are told that there are different colours of bands. All the logicians sit in circle and they are further explained that a bell will ring at regular intervals. The moment when a logician knew the colour of band on his forehead, he will leave at the next bell. If anyone leaves at the wrong bell, he will be disqualified.

The master assures the logicians that the puzzle will not be impossible for anyone of them. How will the logicians manage ?