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
Original price was: $29.99.$14.99Current price is: $14.99.Original price was: $29.99.$14.99Current price is: $14.99.Satisfied 1 StudentsOriginal price was: $24.99.$14.99Current price is: $14.99.Satisfied 92 StudentsOriginal price was: $24.99.$15.99Current price is: $15.99.Satisfied 125 Students
Related to This Article
More math articles
- Is ALEKS just for Mathematics?
- 6th Grade IAR Math Practice Test Questions
- FREE 3rd Grade MCAS Math Practice Test
- Quotient Quest: How to Estimate Division with Two-Digit Divisors
- Ultimate Guide to Proving Angles Congruent: Techniques and Tips
- 6th Grade PSSA Math FREE Sample Practice Questions
- How to Compare Linear Functions: Equations, Tables, and Graphs
- How to Navigate the Fraction Jungle: A Guide to Adding Fractions with Unlike Denominators
- A Comprehensive Collection of Free SHSAT Math Practice Tests
- 5th Grade ACT Aspire Math Practice Test Questions
What people say about "Intelligent Math Puzzle – Challenge 83 - Effortless Math: We Help Students Learn to LOVE Mathematics"?
No one replied yet.