Logical Reasoning - Number Series - Discussion
Discussion Forum : Number Series - Type 2 (Q.No. 2)
Directions to Solve
Look carefully for the pattern, and then choose which pair of numbers comes next.
2.
8 11 21 15 18 21 22
Answer: Option
Explanation:
This is an alternating addition series, with a random number, 21, interpolated as every third number. The addition series alternates between adding 3 and adding 4. The number 21 appears after each number arrived at by adding 3.
Discussion:
66 comments Page 2 of 7.
Fama said:
4 years ago
2529 is the correct answer.
(1)
Anshu said:
5 years ago
@Sundar and @Navjot.
Good explanation, Thanks.
Good explanation, Thanks.
(1)
Sushil said:
5 years ago
25 29 is the correct answer.
(1)
Sarveshwar said:
6 years ago
8+3=11,
11-21=10
10+3=13.
15-18=3,
18-21=3
3+3=6.
Then 13-6=7.
22+3=25, 25-4 = 21.
22,25,21.
11-21=10
10+3=13.
15-18=3,
18-21=3
3+3=6.
Then 13-6=7.
22+3=25, 25-4 = 21.
22,25,21.
Srikanth Singh said:
6 years ago
Thanks @Sundar.
(1)
Dinesh said:
6 years ago
Thanks for explaining the answer @Sundar.
Prajwal said:
6 years ago
Thanks for all for explaining it.
Priya kumari said:
6 years ago
Hi, I am not understanding this, Please anyone help me.
Pradip Paul said:
8 years ago
8+3=1121.
15+3=1821.
22+3=2521.
Ans is 2521 (B).
15+3=1821.
22+3=2521.
Ans is 2521 (B).
Soham Shinde said:
8 years ago
Nice explanation @Saurabh.
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