Mcq of arithmetic progression for class 10
Q1. The nth term of an A.P. is given by an = 3 + 4n. The common difference is
(a) 7
(b) 3
(c) 4
(d) 1
Ans: c
Q2. If the sum of three numbers in an A.P. is 9 and their product is 24, then numbers are
(a) 2, 4, 6
(b) 1, 5, 3
(c) 2, 8, 4
(d) 2, 3, 4
Answer: d
Q3. In an Arithmetic Progression, if a = 28, d = -4, n = 7, then an is:
(a) 4
(b) 5
(c) 3
(d) 7
Answer: (a) 4
Q4. If a = 10 and d = 10, then first four terms will be:
(a) 10, 30, 50, 60
(b) 10, 20, 30, 40
(c) 10, 15, 20, 25
(d) 10, 18, 20, 30
Answer: (b) 10, 20, 30, 40
Q5. The nth term of an A.P. 5, 2, -1, -4, -7 … is
(a) 2n + 5
(b) 2n – 5
(c) 8 – 3n
(d) 3n – 8
Answer: c
Q6. The first term and common difference for the A.P. 3, 1, -1, -3 is:
(a) 1 and 3
(b) -1 and 3
(c) 3 and -2
(d) 2 and 3
Answer: (c) 3 and -2
Q7. 30th term of the A.P: 10, 7, 4, …, is
(a) 97
(b) 77
(c) -77
(d) -87
Answer: (c) -77
Q8. The missing terms in AP: __, 13, __, 3 are:
(a) 11 and 9
(b) 17 and 9
(c) 18 and 8
(d) 18 and 9
Answer: (c)
Q9. Which term of the A.P. 3, 8, 13, 18, … is 78?
(a) 12th
(b) 13th
(c) 15th
(d) 16th
Answer: (d) 16th
Q10. The 21st term of AP whose first two terms are -3 and 4 is:
(a) 17
(b) 137
(c) 143
(d) -143
Answer: (b) 137