Question

Plz answer the question


A rectangular field is 150 metre into 62 cyclist Karan and Vijay start together and can cycle at a speed of 21 metre per minute and 28 metre per minute track Patali then cycle on the rectangular track around the field from the same point at and at the same moment after how many minutes will they meet again at the same.​

Answer 1

As S=D/T

So, Anand 

21 = 420 (perimeter of park)/T

So, time = 20 minutes

Rajan,

28= 420/T

SO, T = 15

So, they will meet : At the LCM of 20 and 15

Which is = 60 minutes

Ans; They will meet after 60 minutes OR 1hour

Hope it helps