Two numbers are in the ratio of 2:9. If their H. C. F. is 19, numbers are:
(A) 6, 27
(B) 8, 36
(C) 38, 171
(D) 20, 90
Answer: (C)
Explanation:
Let the numbers be 2X and 9X Then their H.C.F. is X, so X = 19 ∴ Numbers are (2x19 and 9x19) i.e. 38 and 171