The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

How do you go from 98 to 720 using just one letter?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

What's a single-digit number with no value?

I am an odd number. Take away a letter and I become even. What number am I?

What is the largest number you can write with just 3 digits?

Replace the question mark with the correct number in below Picture:

Solve below popular number sequence
314 159 265 358 979 323 846 ?

James ordered a fishing rod, priced at $3.56. Unfortunately, James is an Eskimo who lives in a very remote part of Greenland and the import rules forbid any package longer than 4 feet to be imported. The fishing rod was 4 feet and 1 inch, just a little too long, so how can the fishing rod be mailed to James without breaking the rules? Ideally James would like the fishing rod to arrive in one piece!

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?