Can you guess the name of the month by looking the below rebus ?

How many Watermelons are there in the below picture?

Name a key which is hardest to turn.

You can hear me, but you can't touch or see me.

What am I?

What has many keys but can’t open a single lock?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

Which tank will fill first?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?