Arithmetic Series and Geometry

What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47 + ...?

• 1,600

• 18,235

• 18,475

• 19,125

Q1. What is the result of 14 x 28?

• A) 196

• B) 392

• C) 49

• D) 254

• 149
• 11,200
• 5,600
• 140

Calculate the final sum/total of the series.

• 6

• 21

• 9

• 2

Evaluate S_n:

28 + 35 + 42 + 49 + ..., n = 10

(Hint: is this arithmetic or geometric?)

• 2384

• 595

• 1192

• 1190

Evaluate S₈:

2 + 6 + 10 + 14 + ...

• 128

• 494

• 256

• 255

Evaluate the arithmetic series described:
2 + (-2) + (-6) + (-10)..., S₁₀

• -160

• -328

• -320

• -336

Evaluate the arithmetic series described:
1 + 3 + 5 + 7..., S₈

• 116

• 58

• 64

• 128

Find the sum of the geometric series.

• 248

• 124

• 120

• 240

Evaluate S₁₂ for the arithmetic series where:

a₁=?, a₁₂=48, and d=4

• 310

• 312

• 620

• 624