Arithmeticmedium · Past Paper
The ratio of two numbers is 3:4. If the LCM is 180, find the numbers.
A45, 60
B30, 40
C15, 20
D60, 80
✓ Correct Answer: A — 45, 60
Numbers are 3x, 4x. LCM = 12x = 180 => x = 15. Numbers are 45 and 60.
Share this question
More from Arithmetic
- The ratio of two numbers is 3:7. If the larger number is 63, what is the smaller number?
- Sub-triplicate ratio of 8:27 is:
- Find the fourth proportional to 2, 3, 4.
- In an alloy, there is 12% copper. To get 69 kg of copper, how much alloy is required?
- A sum of money double itself in 4 years at compound interest. In how many years will it become 8 times itself?