Name a key which is hardest to turn.

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Find the number of squares in the below picture

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

How many sides does a circle have?

500 women soldiers are arranged in an array of ten rows and fifty columns in accordance with their respective heights. Now, the tallest woman from each row is asked to move out in the front. From them, the shortest one is labelled as Alpha. They are then asked to resume their original position.

Now, the shortest woman in each column is asked to come out in front. The tallest among them is labelled as Beta.

Can you find out if Alpha will be taller or Beta?

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 have one eye but still cannot see?

I have eight fingers and two thumbs but I do not live. What Am I?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.