RRB NTPC · Question 67
Find the HCF of 143, 77 and 121.
Show answer & explanation
Answer: (B) 11
Explanation
143 = 11 × 13, 77 = 11 × 7 and 121 = 11 × 11. The only common factor is 11.
RRB NTPC · Question 67
Answer: (B) 11
143 = 11 × 13, 77 = 11 × 7 and 121 = 11 × 11. The only common factor is 11.