I’m tall when I’m young, and I’m short when I’m old. What am I?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

Which word does the below Plexor means ?

What has one eye, but can’t see?

What part of the chicken has the most feathers?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

John bought 150 chocolates but he misplaced some of them. His Father asked him how many chocolates were misplaced.
He gave the following answer to him:
If you count in pairs, one remains
If you count in threes, two remain
If you count in fours, three remain
If you count in fives, four remain
If you count in sixes, five remain
If you count in sevens, no chocolate remains.

Can you analyze the statements and tell us how many chocolates were lost?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

What has to be broken before you can use it?