You need to move three matchsticks to form three squares. Can you do it?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Why do we preferably have round manhole covers and not square ones?

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

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

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

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

What Does this text mean:

important=important

Why did Navjot Singh Sidhu put the new January calendar in the freezer

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?