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 does the below math rebus puzzle mean?

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

Give it food and it will live; give it water and it will die.

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

If Rajina's daughter is my daughter's mom, who am I to Rajina?