| The GCD of two whole numbers is 5 and their LCM is 60. If one of the numbers is 20, then the other number would be |
A) 25
B) 13
C) 16
D) 15
Correct Answer: D
Solution :
| We know, |
| GCD \[\times \] LCM = Product of numbers |
| \[\Rightarrow \] \[5\times 60=20\times x\] |
| \[\Rightarrow \] \[x=15\] |
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