defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Logical Reasoning Series Number Series
Which number will replace the question mark (?) in the following series?
17, 37, 77, 157, 317, ?
1
637
2
649
3
634
4
683
Which number will replace the question mark (?) in the following series?
17, 37, 77, 157, 317, ?