(HCF × LCM) for the numbers 30 and 70 is: Class 10th Mathematics Question Paper 2023 : (HCF × LCM) for the numbers 30 and 70 is: By Rohit Sharma - March 21, 2023 These are the options for the Question : (HCF × LCM) for the numbers 30 and 70 is: (a) 2100 (b) 21 (c) 210 (d) 70 The correct answer : (c) 210