- A120
- B90
- C180
- D27000
Step-by-Step Solution
HCF × LCM = product of the two numbers, so LCM = 1800 ÷ 15 = 120. (The pair 15 and 120 fits: HCF 15, LCM 120. 27000 comes from multiplying instead of dividing.)
Answer: A) 120
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Number System, HCF & LCM practice questions