Find the invalid no.from the following series 9, 16, 21, 28, 33, 37	Choose the correct choice from the following answers: A) 13 B) 18 C) 40 D) 37 E) 25
The differences between two successive terms from the beginning are 7, 5, 7, 5, 7, 5. So, 37 is wrong.   Answer : 37
<result>D</result>
Find the invalid no.from the following series 9, 16, 21, 28, 33, 37