Two numbers are in the ratio 5 : 7. If their L.C.M. is 175. What is the product of the numbers?

Answer 1

175 = 5 × (5 × 7) ==> we have 5 & 7 here as the final 2 numbers after eliminating the common multiple 5.
So the numbers are 5 × 5 = 25 & 7 × 5 = 35
& the product = 875.