Aptitude
Reasoning
Verbal
Technical
AI
Exams
Search
Aptitude
/
Number System
/
Exercises
/
Exercise 6
Number System
hard
0/15 answered
Q1
What is the HCF of 3^20 - 1 and 3^30 - 1?
A
3^10 - 1
B
3^10 + 1
C
3^20 - 1
D
3^5 - 1
← Prev
1 / 15
Next →
← Exercise 5
Exercise 6 of 7
Exercise 7 →