Series (Varieties Questions)

41. 1, 4, 3, 9, 5, ?, 7, 25 [S.S.C CHSL 26/10/2020 (Evening)]

(a) 12
(b) 18
(c) 14
(d) 16

Correct Answer: (d) 16

Solution:The pattern followed here is :

Hence, "16" is the correct answer.

42. 99, 82, 63, 50, 35, ? [S.S.C CHSL 19/10/2020 (Morning)]

(a) 26
(b) 27
(c) 24
(d) 25

Correct Answer: (a) 26

Solution:The pattern followed here is :

Hence, "26" is the correct answer.

43. 1, 2, 4, 7, 13, 24, 44, ? [S.S.C CHSL 16/10/2020 (Afternoon)]

(a) 81
(b) 73
(c) 63
(d) 112

Correct Answer: (a) 81

Solution:The pattern followed here is :

To get the next term in the series add previous three terms.
4 + 2 + 1 = 7
7 + 4 + 2 = 13
13 + 7 + 4 = 24
24 + 13 + 7 = 44
44 + 24 + 13 = 81
Hence, "81" is the correct answer.

44. 40, 37, 43, 34, 46, ? [S.S.C CGL 05/03/2020 (Morning)]

(a) 51
(b) 61
(c) 31
(d) 41

Correct Answer: (c) 31

Solution:The pattern followed here is :

Hence, "31" is the correct answer.

45. In the given series one number is incorrect. Identify the INCORRECT number from among the options given. [S.S.C CPO 13/12/2019 (Evening)]

3, 5, 7, 6, 10, 14, 12, 24, 28, 24, 40, 56

(a) 28
(b) 24
(c) 40
(d) 14

Correct Answer: (b) 24

Solution:The pattern followed here is

Hence, "24" is the correct answer.

46. 7, 16, 40, 84 _ 252 [S.S.C CPO 12/12/2019 (Morning)]

(a) 151
(b) 149
(c) 150
(d) 153

Correct Answer: (d) 153

Solution:The pattern followed here is :

Hence, "153" is the correct answer.

47. In the following number series, two numbers have been put within brackets. Select the most appropriate option for these numbers in relation to their inclusion in the series. [S.S.C CPO 09/12/2019 (Evening)]

1, 5, 17, (39), 65, 101, (145), 197

(a) The first bracketed number from the left is correct and the second bracketed number from the left is incorrect.
(b) Both the bracketed numbers are incorrect.
(c) Both the bracketed numbers are correct.
(d) The first bracketed number from the left is incorrect and the second bracketed number from the left is correct.

Correct Answer: (d) The first bracketed number from the left is incorrect and the second bracketed number from the left is correct.

Solution:The pattern followed here is

Hence, "39" is the correct answer.

Series (Varieties Questions)

41. 1, 4, 3, 9, 5, ?, 7, 25 [S.S.C CHSL 26/10/2020 (Evening)]

42. 99, 82, 63, 50, 35, ? [S.S.C CHSL 19/10/2020 (Morning)]

43. 1, 2, 4, 7, 13, 24, 44, ? [S.S.C CHSL 16/10/2020 (Afternoon)]

44. 40, 37, 43, 34, 46, ? [S.S.C CGL 05/03/2020 (Morning)]

45. In the given series one number is incorrect. Identify the INCORRECT number from among the options given. [S.S.C CPO 13/12/2019 (Evening)]

46. 7, 16, 40, 84 _ 252 [S.S.C CPO 12/12/2019 (Morning)]

47. In the following number series, two numbers have been put within brackets. Select the most appropriate option for these numbers in relation to their inclusion in the series. [S.S.C CPO 09/12/2019 (Evening)]

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