Two numbers 4:5 having LCM=180. What is smallest no.
- 9
- 15
- 36
- 45
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
Related MCQs
- 2
- 3
- 4
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
