Question

47) Two numbers are in ratio 4: 5 and their LCM is 180. The smaller number is​

Answer 1

Answer:

the correct answer is 36

Step-by-step explanation:

Let two numbers be 4x and 5x

Their LCM = 180 and HCF = x

Now,

1st number × 2nd number = LCM × HCF

Or, 4x × 5x = 180 × x

Or, 20x = 180

Or, x = 9

Then, the smaller number = 4 × 9 = 36