- A12
- B840
- C210
- D420
Step-by-Step Solution
HCF × LCM = product: . Numbers 60 and 84; LCM .
Answer: D) 420
Two numbers are in the ratio 5 : 7 and the product of their HCF and LCM is 5040. Find their LCM.
Competition practiceNumber System, HCF & LCM
Master this topic in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Number System, HCF & LCM practice questions
More Number System, HCF & LCM practice
The LCM of two natural numbers equals their product. Which statement must be true?The LCM of three consecutive natural numbers is 2730. What is their sum?LCM(24, a) = 168. What is the least natural number a for which this holds?How many natural numbers a satisfy LCM(a, 18) = 36?For the numbers 12, 18 and 30, the product of the numbers is how many times the product…