2014 · Q30
The LCM of two numbers is 90 times their HCF. The sum of LCM and HCF is 1456. If one of the numbers is 160, then what is the other number?
Elementary MathematicsHCF and LCM
- A120
- B136
- C144
- D184
Explanation
91 × HCF = 1456 gives HCF = 16, LCM = 1440; the other number = 16 × 1440/160 = 144.