I have eight fingers and two thumbs but I do not live. What Am I?

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?

I can write cow in 13 letters.

Can You?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

I’m tall when I’m young, and I’m short when I’m old. What am I?

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

What is the last thing you take off before bed?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

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

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?