Progressions – Aptitude MCQ Questions – 04 Posted on July 9, 2020July 9, 2020 by admin Question 115th term of A.P., x - 7, x - 2, x + 3, ........ is A. x + 63 B. x + 73 C. x + 83 D. x + 53 Question 2If a + 1, 2a + 1, 4a - 1 are in A.P., then the value of a is: A. 1 B. 2 C. 3 D. 4 Question 3If an A.P. has a = 1, tn = 20 and sn = 399, then value of n is : A. 20 B. 32 C. 38 D. 40 Question 4Which term of the A.P. 24, 21, 18, ............ is the first negative term? A. 8th B. 9th C. 10th D. 12th Question 5Which term of the A.P. 92, 88, 84, 80, ...... is 0? A. 23 B. 32 C. 22 D. 24 Question 6For an A.P. if a25 - a20 = 45, then d equals to: A. 9 B. -9 C. 18 D. 23 Question 7In an A.P., if d = -4, n = 7, an = 4, then a is A. 6 B. 7 C. 20 D. 28 Question 8(1) + (1 + 1) + (1 + 1 + 1) + ....... + (1 + 1 + 1 + ...... n - 1 times) = ...... A. n(n+1)/2 B. n(n−1)/2 C. n2 D. n Question 9For A.P. T18 - T8 = ........ ? A. d B. 10d C. 26d D. 2d Question 10The sum of first five multiples of 3 is: A. 45 B. 65 C. 75 D. 90