Progressions – Aptitude MCQ Questions – 04 Posted on July 9, 2020July 9, 2020 by admin Question 1In an A.P., if d = -4, n = 7, an = 4, then a is A. 6 B. 7 C. 20 D. 28 Question 2For an A.P. if a25 - a20 = 45, then d equals to: A. 9 B. -9 C. 18 D. 23 Question 3For A.P. T18 - T8 = ........ ? A. d B. 10d C. 26d D. 2d Question 4(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 515th term of A.P., x - 7, x - 2, x + 3, ........ is A. x + 63 B. x + 73 C. x + 83 D. x + 53 Question 6The sum of first five multiples of 3 is: A. 45 B. 65 C. 75 D. 90 Question 7If 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 8If 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 9Which term of the A.P. 92, 88, 84, 80, ...... is 0? A. 23 B. 32 C. 22 D. 24 Question 10Which term of the A.P. 24, 21, 18, ............ is the first negative term? A. 8th B. 9th C. 10th D. 12th