Intelligent Math Puzzle – Challenge 83
If you REALLY enjoy solving complicated math puzzles and exercising your brain, then this math challenge is just for you!
Challenge:
(-70) + (-60) + (-50) + (-40) + … + n = ?
If the pattern of the above operation continues, which of the following could be the answer?
A- 90
B- 100
C- 150
D- 170
E- 200
The Absolute Best Book to Challenge Your Smart Student!
The correct answer is D.
The first number in the equation is -70 and the next item is 10 more than the previous number. If the pattern continues, the sum of all numbers till number +70 is 0. Why?
The next number is 80 and the number after that is 90.
80 + 90 = 170The Best Books to Ace Algebra
Related to This Article
More math articles
- Ranking Craps Bets From Lowest House Edge to Worst
- Choosing Bitcoin Casino Games: Dice, Slots, Live Dealer and What Fits Different Session Goals
- PSSA Math Flashcards (Free Online: Formulas, Terms & Concepts)
- How to Graph the Tangent Function?
- Reliability: Sample Size and Repetition
- The Best Grade 8 Math Book for Wisconsin Students
- The Best Grade 5 Math Book for Connecticut Students
- Presidential action
- The Best Grade 3 ELA Practice Tests for Colorado Students
- Slope Calculator (Free Step-by-Step Tool)
What people say about "Intelligent Math Puzzle – Challenge 83 - Effortless Math"?
No one replied yet.