Which number will replace the question mark (?) in the following number series? 19, 22, 28, 37, 40, ?, 55, 58
A.43
B.46✓ Correct
C.47
D.49
Explanation
The series alternates with differences of +3 and +6 cyclically: 19+3=22, 22+6=28, 28+9=37, 37+3=40, 40+6=46, 46+9=55, 55+3=58. So the missing number is 46.
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