Question 43
Select the number that can replace the question mark (?) in the following series.
2, 8, 15, 24, 36, 52, ?
Solution
Given series is 2, 8, 15, 24, 36, 52, ?
The logic here is difference of differences of the numbers are consecutive natural numbers as shown below
The next natural number will be 5 and the difference between required number and 52 should be 21.
$$\therefore\ $$Required number = 52 + 21 = 73
Hence, the correct answer is Option B
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