Progressions – Aptitude MCQ Questions – 04 Posted on July 9, 2020July 9, 2020 by admin Question 1(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 2Which term of the A.P. 92, 88, 84, 80, ...... is 0? A. 23 B. 32 C. 22 D. 24 Question 3In an A.P., if d = -4, n = 7, an = 4, then a is A. 6 B. 7 C. 20 D. 28 Question 4If 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 5For A.P. T18 - T8 = ........ ? A. d B. 10d C. 26d D. 2d Question 6If 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 7For an A.P. if a25 - a20 = 45, then d equals to: A. 9 B. -9 C. 18 D. 23 Question 815th term of A.P., x - 7, x - 2, x + 3, ........ is A. x + 63 B. x + 73 C. x + 83 D. x + 53 Question 9Which term of the A.P. 24, 21, 18, ............ is the first negative term? A. 8th B. 9th C. 10th D. 12th Question 10The sum of first five multiples of 3 is: A. 45 B. 65 C. 75 D. 90