In the following question the mathematical number follow according to a pattern. Discover that pattern and then pick up the missing number from the answer choices : 2, 5, 9, 19, 37, ?
A75
B85
C87
D47
A75
B85
C87
D47
Related Questions:
A child asked a flock of birds,
How many are you? A bird replied.
We and us again,
With half of us
And half of that
With one more,
Would make hundred
How many birds were there?