other govt exam India Post Postman & Mail Guard Mock Test 2020 Logical Reasoning Series Number Series
Select the number that can replace the question mark (?) in the following series.
3, 7, 13, 21, 31, 43, ?
1
57
2
55
3
62
4
60
Select the number that can replace the question mark (?) in the following series.
3, 7, 13, 21, 31, 43, ?