I start with a number, then I multiply it by two, subtract four, and you will find me. What am I?
Category: Math · Difficulty: medium
Hint: Consider arithmetic operations on integers.
Answer
A double value
Explanation
Doubling a number and subtracting four gives you a new value, hence a 'double value' can be a result of such operations.
This is a medium math riddle — a moderate challenge for most people. The answer is A double value.
More Math riddles
- What is the difference between the square of 15 and the square of 10?
- I start at 2 and double my value each time, but every third step I add 1. What number do I reach after five…
- Which number is not like the others: 2, 3, 5, 4, 7?
- If you walk 5 miles south and then 12 miles east, how far are you from your starting point?
- I have a collection of coins: 3 dimes and 2 quarters. What is the total value in cents?
- If A=1, B=2, C=3, what does the number 27 represent in this code?
- If the average age of a group of 5 friends is 30 years, what is their total age?
- If a spider has 8 legs and I have 3 spiders, how many legs do we have in total?