A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

Find the missing number in the image below.

Can you identify if it's a murder or a suicide ?

81 x 9 = 801. What must you do to make the this equation true?

Can you replace the question mark with the correct number?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?