Verbal Reasoning - Series Completion - Discussion

Discussion Forum : Series Completion - Section 1 (Q.No. 47)
Directions to Solve

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.


47.
11, 10, ?, 100, 1001, 1000, 10001
101
110
111
None of these
Answer: Option
Explanation:

The pattern is - 1, x 10 + 1, - 1, x 10 + 1, - 1, x 10 + 1, .....

So, missing term = 10 x 10 + 1 = 101.

Discussion:
1 comments Page 1 of 1.

S^2 said:   1 decade ago
1 add 1 = 11.
11-1 = 10 add 1 = 101.
101-1 = 100 add 1 = 1001.

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