Question

Raj, Rajesh and Rajdeep start running from the same point on a circle track at the sam
time and complete on lap of the track in 16 minutes, 28 minutes and 40 minut
respectively. What is the shortest period of time in which they will all reach the
starting point together?​

Answer 1

Answer:

16,28,40

Step-by-step explanation:

one lap = one complete run

x. y. z= shortest period of time

so,

lcm of x, y, z

2| 16,28,40

| 8,14,20

| 4,7,10

| 2,7,5

| 1,7,5

5|1,5,1

7|1,1,1

2^5 *5*7= 1120 minutes

if you want more simpler form then convert minutes into hours