Correct Answer: Option C
The least number which is divisible by 16,2016,20 and 2424 would be the LCM of three number . @@Here, LCM (16,20,24) =>4×2×2×5×3=>4×2×2×5×3 => 4×4×5×3=240 Hence to make 240 a perfect square we need to multiply by 5×3 as they are not in pair. =>240×5×3=>240×5×3 =>3600
Download our app for free and access thousands of MCQ questions with detailed solutions