Two numbers are in the ratio of 5 : 7 and their LCM is 385. Find the numbers.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 55, 77.
Let the two numbers be 5x and 7x respectively.
LCM(5x, 7x) = 35x
Now, 35x = 385
⇒ x = 11
The numbers are 55 and 77 respectively.