Question

the lcm of two no is 160 and their ratio is 4 is to 5 find a largest of two number.​

Answer 1

Let the numbers be 4x and 5x

Let the numbers be 4x and 5xNow L.C.M of 4x and 5x=4×5×x=20x

Let the numbers be 4x and 5xNow L.C.M of 4x and 5x=4×5×x=20xGiven, 20x=180⇒x=9

Let the numbers be 4x and 5xNow L.C.M of 4x and 5x=4×5×x=20xGiven, 20x=180⇒x=9∴ Smaller number =4 × 9=36

Answer 2

Answer:

The larger number is 40.