How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

What Deficiency does the below rebus represent?

VIT_MIN

What is the fastest way to double your money?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

Can you count the number of matches in the picture below ?