Question

4. In a zoo three lions roar together at 10 a.m. If the lions roar regularly at the intervals of 10, 15 and 12 minutes respectively then at what time will they roar together again?​

Answer 1

Given that lions in a zoo will roar at 10 a. mand the lions will roar repeatedly at the definite interval of 10 , 15 and 12 minutes respectively. From the above factors we can write the number 10 as 10=2×5 . From the above factors we can write the number 15 as 15=3×5