Progressions – Aptitude MCQ Questions – 01 Posted on July 9, 2020July 9, 2020 by admin Question 1Find the 15th term of the sequence 20, 15, 10 . . . . . A. -45 B. -55 C. -50 D. 0 Question 2How many terms are there in the GP 5, 20, 80, 320........... 20480? A. 5 B. 6 C. 8 D. 9 E. 7 Question 3If the fifth term of a GP is 81 and first term is 16, what will be the 4th term of the GP? A. 36 B. 18 C. 54 D. 24 Question 4Find the first term of an AP whose 8th and 12th terms are respectively 39 and 59. A. 5 B. 6 C. 4 D. 3 Question 5The 7th and 21st terms of an AP are 6 and -22 respectively. Find the 26th term A. -34 B. -32 C. -12 D. -10 Question 6A bacteria gives birth to two new bacteria in each second and the life span of each bacteria is 5 seconds. The process of the reproduction is continuous until the death of the bacteria. initially there is one newly born bacteria at time t = 0, the find the total number of live bacteria just after 10 seconds : A. 310/2 B. 310 - 210 C. 243 × (35 -1) D. 310 - 25 Question 7After striking the floor, a rubber ball rebounds to 4/5th of the height from which it has fallen. Find the total distance that it travels before coming to rest if it has been gently dropped from a height of 120 metres. A. 540 m B. 960 m C. 1080 m D. 1020 m Question 8The sum of the first 16 terms of an AP whose first term and third term are 5 and 15 respectively is A. 600 B. 765 C. 640 D. 680 Question 9How many terms are there in 20, 25, 30......... 140 A. 22 B. 25 C. 23 D. 24 Question 10A boy agrees to work at the rate of one rupee on the first day, two rupees on the second day, and four rupees on third day and so on. How much will the boy get if he started working on the 1st of February and finishes on the 20th of February? A. 220 B. 220 -1 C. 219 -1 D. 219