Question

two number are in the ratio 5:7 and their lcm is 315,then the number are

Answer 1

Let the numbers be 5a and 7a

HCF = a

LCM = 315

We know that,

Product of numbers = LCM *HCF

=> 5a*7a = 315 * a

=> 35a^2 = 315a

=> 35a = 315

=> a = 315 / 35

=> a = 9


First number = 45

Second number = 63

Answer 2

Answer:let 1st number is 5x and 2nd number is 7x

5x*7x=315*x

so,x=9

1st number is 9*5=45

2nd number is 7*9=63

so product of two number is =45*63=2835

Step-by-step explanation: