Progressions – Aptitude MCQ Questions – 08

Question 1
The first three terms of an A.P. respectively are 3y – 1, 3y + 5 and 5y + 1. Then, y equals




Question 2
If 7th and 13th terms of an A.P. be 34 and 64 respectively, then its 18th term is




Question 3

The common difference of the A.P. is  1/2q,12q/2q14q/2q, . . . . is




Question 4
If the first term of an A.P. is a and nth term is b, then its common difference is




Question 5

If 1/x+2, 1/x+3, 1/x+5  are in A.P. then x = ?




Question 6
If Sn denotes the sum of the first r terms of an A.P. Then, S3n : (S2n – Sn) is




Question 7
If the sum of it terms of an A.P. is 2n2 + 5n, then its nth term is




Question 8
If the sum of first n even natural number is equal to k times the sum of first n odd natural numbers, then k =




Question 9
In an AP, Sp = q, Sq = p and S denotes the sum of first r terms. Then, Sp+q is equal to




Question 10

If  5+9+13+...tonterms/7+9+11+...to(n+1)terms =17/16, then n = ?




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