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What should come in place of the question mark (?) in the given series? 11, 18, 25, 32, 39, ?
43
45
44
46
46
Observe the constant difference between consecutive terms: 18-11=7, 25-18=7, 32-25=7, 39-32=7. Just add 7 to the last term.
Observe the constant difference between consecutive terms: 18-11=7, 25-18=7, 32-25=7, 39-32=7. Just add 7 to the last term.
Analyze the pattern
Find the difference between each consecutive term: 18-11=7, 25-18=7, 32-25=7, 39-32=7. The series follows an arithmetic progression with a common difference of +7.
Calculate the missing term
Add the common difference of 7 to the last term provided in the series: 39 + 7 = 46.
A: 43 is incorrect as it results from adding only 4; B: 45 is incorrect as it results from adding only 6; C: 44 is incorrect as it results from adding only 5.
D is correct because the series follows a consistent addition pattern of +7 for every consecutive term, and 39 plus 7 equals 46.
When encountering any numerical series, always calculate the difference between the first two numbers first; if the difference is constant, the problem is a basic arithmetic progression.
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