AFCAT 2015 :Reasoning Quiz on Series

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Hello readers, In this article AFCAT 2015 : Reasoning Quiz on Series. we have given various practise questions for written exams. Candidates are requested to go through the questions below. For any questions in mind feel free to ask below in comments.

AFCAT 2015

1. _aa_a_baaa_b

a) baba
b) bbaa
c) baab
d) babb

2. r_mmar_am_arr_ _mar

a) ramma
b) mramr
c) armam
d) aramr

3. aab_aa_bbb_aaa_bbb

a) abba
b) baab
c) aaab
d) abab

4. nmmn_mmnn_mnnm_ _

a) nnmm
b) nmnm
c) mnnm
d) nmmn

5. abb_accaa_baa_caab_a

a) accb
b) abac
c) accc
d) abcb

6. 11, 13, 17, 19, 23, 29, 31, 37, 41, (....)

a)  43
b) 47
c)  53
d)  51

7.  8, 24, 12, 36, 18, 54, (....)

a. 27
b.108
c. 68
d. 72

8. 2, 6, 12, 20, 30, 42, 56, (....)

a. 61
b. 64
c. 72
d. 70

9. 4, -8, 16, -32, 64, (....)

a. 128
b. -128
c. 192
d. -192

10.   7, 26, 63, 124, 215, 342, (....)

a. 481
b. 511
c. 391
d. 421

Answers With Explanations :

1- ( A)

2- (C)

3- (B)

4- (D)

5- (D).

6. A
Explanation:
Numbers are all primes. The next prime is 43.

7. A
Explanation:
Numbers are alternatively multiplied by 3 and divided by 2.
So, the next number = 54 ÷ 2 = 27.

8. C
Explanation:
The pattern is 1 x 2, 2 x 3, 3 x 4, 4 x 5, 5 x 6, 6 x 7, 7 x 8.
So, the next number is 8 x 9 = 72.

9. B

Explanation:
Each number is the proceeding number multiplied by -2.
So, the required number is -128.

10. B
Explanation:
Numbers are (2^3 - 1), (3^3 - 1), (4^3 - 1), (5^3 - 1), (6^3 - 1), (7^3 - 1) etc.
So, the next number is (8^3 - 1) = (512 - 1) = 511.

Hope you liked our article for AFCAT 2015: Reasoning on Series for written exams questions and answers. Practise with such questions we will be updating daily with different sections practice questions. Any queries ask below in comments



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