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Question
In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces.
2, 6, 12, 20, 30, 42, 56,
In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces.
2, 6, 12, 20, 30, 42, 56,
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Solution
The correct option is C 72
The sequence is 1 * 2, 2 * 3, 3 * 4, 4 * 5, 5 * 6, 6 * 7, 7 * 8.
∴ Missing number = 8 * 9 = 72.
The sequence is 1 * 2, 2 * 3, 3 * 4, 4 * 5, 5 * 6, 6 * 7, 7 * 8.
∴ Missing number = 8 * 9 = 72.
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