If ratio of two numbers is 7 : 11 and its H.C.F. is 13. Then L.C.M is:

101 1001 143 234

1001

Ratio of two number = 7 : 11 HCF of these two number = 13 Let the two numbers be 7x and 11x Numbers are 7 × 13 and 11 × 13 Hence, LCM = 7 × 11 × 13 = 1001