Question

In the swimming pool to complete one round. Rohit takes 90 seconds and Raj takes 18 seconds and Rahul takes 45 seconds. They started swimming at the same place and from the same place. After how many seconds they will come together at the starting place? ​

Answer 1

Answer:

in this have to take the LCM of 90 45 and 18

Step-by-step explanation:

when you will take the LCM of these three numbers we will get one specific number which is the LCM of these 3 then convert into seconds or minutes according to the answer you get will be ur ans

thnks

Answer 2

Answer:

As They all have to come together at a same place then,the longest time will be the answer therefore,90 seconds is the answer and if we take LCM of 18,45,and 90.

then, we also get 90

therefore,the right answer is:90