Question
58, 67, ?, 76, 40,
85 What will come in place of the question mark (?) in the following series?Solution
ATQ, The series follows the pattern of alternate addition and subtraction of consecutive multiples of 9. 58 + (9 × 1) = 67 67 – (9 × 2) = 49 49 + (9 × 3) = 76 76 – (9 × 4) = 40 40 + (9 × 5) = 85
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