Find the number of squares in the below picture

You bought me for dinner but never eat me. 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?

Which tank will fill first?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

What has a ring but no finger?