Number Sequence questions for SSC CGL Exam

Here we are providing a Reasoning quiz accordance with the syllabus of SSC CGL Tier-I, This post comprises 15 Questions of Number Sequence which really helps you getting more marks in final exam.

Q1. In the series,
6   4   1   2   2   8   7   4   2   1   5   3   8   6   2   1   7   1   4   1   3   2   8   6
how many pairs of successive numbers have a difference of 2 each?
(a) Four
(b) Five
(c) Six
(d) Seven

Q2. Which is the sixth number to the left of the number which is exactly in the middle of the following sequence of numbers?
1   2   3   4   5   6   7   8   9   2   4   6   8   9   7   5   3   1   9   8   7   6   5   4   3   2   1
(a) 6
(b) 7
(c) 8
(d) 9

Q3. How many 5s are there in the following number sequence which are immediately preceded by 7 and immediately followed by 6?
7   5   5   9   4   5   7   6   4   5   9   8   7   5   6   7   6   4   3   2   5   6   7   8
(a) One
(b) Two
(c) Three
(d) Four

Q4. How many 6s are there in the following number series, each of which is immediately preceded by 1 or 5 and immediately followed by 3 or 9?
2  6  3  7  5  6  4  2  9  6  1  3  4  1  6  3  9  1  5  6  9  2  3  1  6  5  4  3  2  1  9  6  7  1
(a) None
(b) One
(c) Two
(d) Three

Q5. How many 7s immediately preceded by 6 but not immediately followed by 4 are there in the following series?
7   4   2   7   6   4   3   6   7   5   3   5   7   8   4   3   7   6   7   2   4   0   6   7   4   3
(a) One
(b) Two
(c) Four
(d) Six

Q6. In the series given below, count the number of 9s, each of which is not immediately preceded by 5 but is immediately followed by either 2 or 3. How many such 9s are there?
1  9  2  6  5  9  3  8  3  9  3  2  5  9  2  9  3  4  8  2  6  9  8
(a) One
(b) Three
(c) Four
(d) Two

Q7. How many 4’s are there preceded by 7 but not followed by 3?
5  9  3  2  1  7  4  2  6  9  7  4  6  1  3  2  8  7  4  1  3  8  3  2  5  6  7  4  3  9  5  8  2  0  1  8  7  4 6 3
(a) Three
(b) Four
(c) Five
(d) Six

Q8. Count each 1 in the following sequence of numbers that is immediately followed by 2, if 2 is not immediately followed by 3. How many such 1s are there?
1  2  1  3  4  5  1  2  3  5  2  1  2  6  1  4  5  1  1  2  4  1  2  3  2  1  7  5  2
(a) 2
(b) 4
(c) 5
(d) 3

Q9. How many 7s are there in the following series which are preceded by 6 which is not preceded by 8?
8  7  6  7  8  6  7  5  6  7  9  7  6  1  6  7  7  6  8  8  6  9  7  6  8  7
(a) Four
(b) One
(c) Two
(d) Three

Q10. How many 7s are preceded by 9 and followed by 6?
7  8  9  7  6  5  3  4  2  8  9  7  2  4  5  9  2  9  7  6  4  7
(a) 2
(b) 3
(c) 4
(d) 5

Q11. In the series,
6  4  1  2  2  8  7  4  2  1  5  3  8  6  2  1  7  1  4  1  3  2  8  6
how many pairs of alternate numbers have a difference of 3?
(a) Five
(b) Two
(c) Three
(d) Four

Q12. How many even numbers are there in the following sequence of numbers each of which is immediately followed by an odd number as well as immediately preceded by an even number?
8  6  7  6  8  9  3  2  7  5  3  4  2  2  3  5  5  2  2  8  1  1  9
(a) One
(b) Three
(c) Five
(d) None of these

Q13. How many odd numbers are there in the sequence which are immediately preceded and also immediately followed by an even number?
5  1  4  7  3  9  8  5  7  2  6  3  1  5  8  6  3  8  5  2  2  4  3  4  9  6
(a) 1
(b) 2
(c) 3
(d) 4

Q14. In the following number sequence, how many such even numbers are there which are exactly divisible by its immediate preceding number but not exactly divisible by its immediate following number?
3  8  4  1  5  7  2  8  3  4  8  9  3  9  4  2  1  5  8  2
(a) One
(b) Two
(c) Three
(d) Four

Q15. If the following series is written in the reverse order, which number will be fourth to the right of the seventh number from the left?
7,  3,  9,  7,  0,  3,  8,  4,  6,  2,  1,  0,  5,  11,  13
(a) 0
(b) 5
(c) 9
(d) 11

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