Question

25 43 44 53 ? 72
(b) 63
(a) 55
(d) 71
(C)65​

Answer 1

Answer:

hope it's helpful

Explanation:

d=

71

The differences in this series are in order as 18,1,9,18,1,9 

25+18=43

43+1=44

44+9=53

Then 53+18=71

71+1=72

72+9=81

and so on....

Hence 71 replaces question mark

Answer 2

Answer:

71

Explanation:

25 43 44 53 71 72 option d 71