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

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

Which letter of the alphabet has the most water?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Which tank will fill first?

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.

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?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?