(Sample Material) IBPS Clerk Study Kit "Numerical Ability - Sequences & Series"
Sample Materials of IBPS Clerk Study Kit
Subject: Numerical Ability
Topic: Sequences & Series
Q.1 If 20 is divided into four parts which are in AP such that the product of the first and fourth is to the product of the second and third is in the ratio 2 : 3.
(1) 1, 3, 7, 9
(2) 2, 4, 6, 8
(3) 3, 5, 5, 7
(4) 4, 6, 3, 7
(5) None of these
Q.2 Find the values of x and y, if (x + y), (2x + 1), (3x – 1) are in AP and x, xy and (3x + 10y) are in GP.
(1) 5, 3
(2) 5, 2
(3) 3, 2
(4) 3, 4
(5) None of these
Q.3 In a GP, the sum of infinite series is 2 and the sum of the squares of the infinite series is 4/3 . Find the first term of the series.
(1) 1
(2) 1/2
(3) 2
(4) 1/4
(5) None of these
Q.4 If the nth term of an AP is 3n + 2, then the sum of the first 8 terms is
(1) 112
(2) 124
(3) 136
(4) 169
(5) None of these
Q.5 If 4, 6, a are in AP. 4, 6, b are in GP and 4, 6, c are in HP, determine the value of 3a + 2b – c.
(1) 35
(2) 30
(3) 12
(4) 27.6
(5) None of these
