Question

31,19,8,__. What is the next number.
Options are:
a)- 12
b)- 1
c)- 3
d)- 5 ​

Answer 1

Answer:

(b) -1

Step-by-step explanation:

31-19=12

19-8=11

then we wil do 8-10=-1

finally the answer is option (B)

Answer 2

Answer:

b) -1

Step-by-step explanation:

31-19= 12

19-8 = 11

then next step is

11-12 = -1