The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

Why are all black people so quick ?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Identify the 10 differences between the two given pictures.

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211