RRB NTPC · Question 65
Find the HCF of 69, 96 and 138. A. 9 B. 6 C. 3 D. 2
Show answer & explanation
Answer: (C) C
Explanation
69 = 3 × 23, 96 = 2⁵ × 3 and 138 = 2 × 3 × 23. The only common factor is 3, so HCF = 3.
Railways PYQCBT 1 2016
RRB NTPC · Question 65
Answer: (C) C
69 = 3 × 23, 96 = 2⁵ × 3 and 138 = 2 × 3 × 23. The only common factor is 3, so HCF = 3.