Progressions – Aptitude MCQ Questions – 07 Posted on July 9, 2020July 9, 2020 by admin Question 1The sum of n terms of an A.P. is 3n2 + 5n, then 164 is its A. 24th term B. 27th term C. 26th term D. 25th term Question 2If the first term of an A.P. is 2 and common difference is 4, then the sum of its 40 term is A. 3200 B. 1600 C. 200 D. 2800 Question 3 The common difference of the A.P. 1/3, 1−3b/3, 1−6b/3, . . . . . . is A. 1/3 B. −1/3 C. −b D. b Question 4If S1 is the sum of an arithmetic progression of ‘n’ odd number of terms and S2 is the sum of the terms of the series in odd places, then S1/S2 A. 2n/n+1 B. n/n+1 C. n+1/2n D. n−1/n Question 5The sum of first n odd natural numbers in A. 2n - 1 B. 2n + 1 C. n2 D. n2 - 1 Question 6The nth term of an A.P., the sum of whose n terms is Sn, is A. Sn + Sn - 1 B. Sn - Sn - 1 C. Sn + Sn + 1 D. Sn - Sn + 1 Question 7If the sum of three consecutive terms of an increasing A.P. is 51 and the product of the first and third of these terms is 273, then the third term is : A. 13 B. 9 C. 21 D. 17 Question 8If the first, second and last term of an A.P. are a, b and 2a respectively, its sum is A. ab/2(b−a) B. ab/b−a C. 3ab/2(b−a) D. None of these Question 9If the sum of p terms of an A.P. is q and the sum of q terms is p, then the sum of (p + q) terms will be A. 0 B. p - q C. p + q D. -(p + q) Question 10If four numbers in A.P. are such that their sum is 50 and the greatest number is 4 times the least, then the numbers are A. 5, 10, 15, 20 B. 4, 10, 16, 22 C. 3, 7, 11, 15 D. None of these