Take a look at the following numbers: 31, 29, 24, 22, 17,... What should be the next number?
A. 15
B. 14
C. 13
D. 12
Answer:C
Take a look at the following numbers: 31, 29, 24, 22, 17,... What should be the next number?
A. 15 B. 14 C. 13 D. 12
Explanation: This is a basic alternating subtraction series in which 2 is subtracted before 5 is subtracted.