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"If an+2 + bn+2/an+1 + bn+1 is the arithmetic mean between a and b, then n =", arithmetic mean (am) Multiple Choice Questions (MCQs) with choices 1, −1, −2, and 0 for best online GRE prep class. Practice sequences and series questions and answers to improve problem solving skills for best ACT prep courses online.

Arithmetic Mean (AM) Quiz

MCQ: If an+2 + bn+2/an+1 + bn+1 is the arithmetic mean between a and b, then n =

1. −1
2. 1
3. −2
4. 0

A

Math Practice Test Quiz

MCQ: 1° =

B

Parametric Functions Quiz

MCQ: If 4x is the side length of the square then the area of the region is

1. (4-π)x²
2. 2(4-π)x²
3. 3(4-π)x²
4. 4(4-π)x²

A

Math Problems Quiz

MCQ: If sinθ = 1/√2, then θ is

1. 60°
2. 30°
3. 180°
4. 45°

D

Trigonometric ratios of Allied Angles Quiz

MCQ: Sin(π/2-α) =

1. cosecα
2. cosα
3. −cosα
4. −sinα

B