medium · Gre Quant
In an arithmetic sequence, the first term is 7 and each term after the first is 4 greater than the preceding term. What is the sum of the first 20 terms of the sequence? Enter your answer as an integer.
Sign up free to see the explanation and track your rank →
More Gre Quant practice
- DUAL-SCALE GRAPH: Helix Biotech — Headcount and Revenue per Employee, 2022–2026 Left axis:
- A store marks up a product by 20% over its cost, then during a sale discounts the marked p
- Solve for x: x - 5 = √(x - 3)
- Which of the following must be a factor of the integer n if n^2 is divisible by 72?
- Common information: n is an integer and 2ⁿ = k. Quantity A: 2^n+1 + 2^n+1 Quantity B: 2^n+
- 0 < a < b < 1. Quantity A: dfracab Quantity B: dfraca+1b+1
- A logistics firm reports monthly shipping cost and on-time delivery rate for one lane. The
- A fair six-sided die (faces 1 through 6) is rolled twice, and the two results are recorded