Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

What has a ring but no finger?

Can it be possible to build a house that has all its four walls facing towards the South?

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Which wheel of car does not rotate when you turn your car right?

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?