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Q: What is the greatest number by which when 156, 181 and 331 are divided, the remainder is 6 in each case?
  • A. 26
  • B. 17
  • C. 25
  • D. 13
Correct Answer: Option C - 156 – 6 = 150 181 – 6 = 175 331 – 6 = 325 Required number = HCF of 150, 175 and 325 = 25
C. 156 – 6 = 150 181 – 6 = 175 331 – 6 = 325 Required number = HCF of 150, 175 and 325 = 25

Explanations:

156 – 6 = 150 181 – 6 = 175 331 – 6 = 325 Required number = HCF of 150, 175 and 325 = 25