MCQ Practice – Class 6 to 10

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Quiz – Arithmetic Progressions

Time: 00:00

Q1. Sum of first n even numbers is:

A. 2n² B. n²+n C. n(n+1) D. n²

Q2. nth term formula tₙ = a + (n–1)d is derived from:

A. AP definition B. Graphing C. Algebra D. Geometry

Q3. Which is NOT an AP?

A. 1,2,3,4 B. 3,6,12,24 C. 7,7,7,7 D. 5,10,15,20

Q4. In AP, if t₃ = 9 and t₇ = 21, find d.

A. 3 B. 2 C. 5 D. 4

Q5. The sum of first n odd numbers is:

A. 2n B. n² C. n²–n D. n(n+1)

Q6. If a = 10, d = –2, then t₆ is:

B. 10 C. 6 D. 2

Q7. If t₅ = 20 and d = 3, find a:

A. 3 B. 8 C. 5 D. 2

Q8. AP is increasing if:

A. d = 0 B. a = 0 C. d > 0 D. d < 0

Q9. Find t₁₂ for AP: 1,4,7,10...

A. 31 B. 37 C. 28 D. 34

Q10. In AP, a stands for:

A. Last term B. First term C. Common difference D. Common ratio