 
 <translate> Student: Find the invalid no.from the following series 13, 18, 25, 30, 37, 40
Options:
(A) 23
(B) 35
(C) 40
(D) 45
(E) 67.
Another student: Let's say, hmmm...
 <ibo> Nwa akwukwo: Chọta nọmba na-abaghị uru site na usoro ndị a 13, 18, 25, 30, 37, 40 Nhọrọ: (A) 23 (B) 35 (C) 40 (D) 45 (E) 67. Nwa akwụkwọ ọzọ: Ka anyị kwuo, hmmm... 