In each of the following number series, a wrong number is given, find out that number.
281, 291, 391, 501, 701, 911, 1191, 1521
1
291
2
391
3
911
4
1521
5
1191
In each of the following number series, a wrong number is given, find out that number.
281, 291, 391, 501, 701, 911, 1191, 1521