5% of a number is 9. The number is (a) 45 (b) 90 (c) 135 (d) 180
5% of a number = 9 ∴ Number = 9×1005 = 180
Question 38 LCM of two numbers is 180. Then which of the following is not the HCF of the numbers? (A) 45 (B) 60 (C) 75 (D) 90