/20 1234567891011121314151617181920 Arithmetic Progressions 1 / 20 1. If the sum of the first 10 terms of an AP is 100 and the first term is 2, the common difference is A) 4 B) 3 C) 2 D) 1 2 / 20 2. The nth term of an AP is given by the formula A) an = a + (n – 1)d B) an = a + nd C) an = a – (n – 1)d D) None of these 3 / 20 3. If the first term of an AP is 4 and the common difference is 6, then the third term is A) 10 B) 14 C) 12 D) 16 4 / 20 4. If the common difference of an AP is negative, then the sequence A) Remains constant B) Increases C) Decreases D) Becomes zero 5 / 20 5. If the common difference of an AP is 5 and the first term is 3, the 10th term is A) 48 B) 53 C) 58 D) 43 6 / 20 6. If the first term of an AP is a and the common difference is d, then the second term is A) a – d B) a x d C) a / d D) a + d 7 / 20 7. The common difference in the AP 2, 5, 8, 11, … is A) 3 B) 1 C) 2 D) 4 8 / 20 8. If the sum of the first n terms of an AP is Sn = 5n² + 3n, then its first term is A) 8 B) 3 C) 10 D) 5 9 / 20 9. The number of terms in the AP 2, 4, 6, …, 20 is A) 9 B) 11 C) 10 D) 12 10 / 20 10. If the sum of the first 5 terms of an AP is 40 and the first term is 4, the common difference is A) 5 B) 3 C) 2 D) 4 11 / 20 11. The sum of the first 5 natural numbers is A) 15 B) 20 C) 10 D) 25 12 / 20 12. The common difference of an AP is found using A) an – an-1 B) an + an-1 C) an / an-1 D) an × an-1 13 / 20 13. The sum of the first 6 terms of an AP with a = 2 and d = 3 is A) 54 B) 36 C) 42 D) 48 14 / 20 14. In an AP, if the first term is 8 and the last term is 50 with a common difference of 3, the number of terms is A) 16 B) 14 C) 15 D) 17 15 / 20 15. If the 7th term of an AP is 20 and the common difference is 3, the first term is A) 3 B) 1 C) 2 D) 4 16 / 20 16. The sum of the first n terms of an AP is given by A) S = n/2 [a + d] B) None of these C) S = n/2 [2a + (n – 1)d] D) S = n [2a + (n – 1)d] 17 / 20 17. The AP 3, 7, 11, 15, … has its 5th term as A) 19 B) 17 C) 18 D) 20 18 / 20 18. If the 10th term of an AP is 32 and the first term is 5, then the common difference is A) 5 B) 3 C) 4 D) 2 19 / 20 19. If the sum of the first n terms of an AP is Sn = 2n² + 3n, then its common difference is A) 2 B) 4 C) 5 D) 3 20 / 20 20. An arithmetic progression (AP) is a sequence in which the difference between consecutive terms is A) Increasing B) Constant C) Decreasing D) Variable Share Your Score with Friends Facebook Twitter
