What is the greatest number which when divides 92 and 215, leaves remainders 7 and 11, respectively?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 17.
⇒ 92 − 7 = 85
⇒ 215 − 11 = 204
HCF of 85 and 204
HCF = 17