Aptitude - Odd Man Out and Series - Discussion
Discussion Forum : Odd Man Out and Series - Missing No. (Q.No. 8)
Directions to Solve
Insert the missing number.
8.
2, 6, 12, 20, 30, 42, 56, (....)
Answer: Option
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.
Discussion:
12 comments Page 2 of 2.
Kartik said:
9 years ago
The another logic is 1^2 + 1, 2^2 + 2, 3^2 + 3, 4^2 + 4.
Sourabh Singhal said:
7 years ago
2 * 1
2 * 3
2 * 6
2 * 10
2 * 15
2 * 21
2 * 28
2 * 36 = 72.
2 * 3
2 * 6
2 * 10
2 * 15
2 * 21
2 * 28
2 * 36 = 72.
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