As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

I am white when I am dirty, and black when I am clean. What am I?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

What can you see in the middle of March and April that you can never see in any other month?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?