Question

19) What is the next number in the given series?
31,16, 49, 169,?
A) 256
B) 196
C) 144
D) 223​

Answer 1

Answer:

256

Step-by-step explanation:

31=3+1=4×4=16,

16=1+6=7×7=49,

49=4+9=13×13=169,

169=1+6+9=16×16=256

Answer 2

Step-by-step explanation:

31=3+1=4,

4×4=16.

16=1+6=7,

7×7=49.

49=4+9=13,

13×13=169.

169=1+6+9=16,

16×16=256.

So, Answer is (A) Option