Can you divide the below-given shape into four equal and identical pieces?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

Spot what is wrong here in below Picture?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

How many times can you subtract the number two from the number fifty?

In the image below, can you find the value of an angle(y)

Can you find the mistake in the below statement?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?