6, 12, 21, ?, 48
A. 33
B. 39
C. 36
D. 31
E. none of these

6, 12, 21, ?, 48
A. 33
B. 39
C. 36
D. 31
E. none of these

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2 thoughts on “6, 12, 21, ?, 48<br />A. 33<br />B. 39<br />C. 36<br />D. 31<br />E. none of these<br />​”

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