Question

the wheel has ten seats and each seat can fit one couple.each minute a seat passes by the entrance exit stage.the wheel starts functioning at 8pm for half an hour-how many couples took a ride

Answer 1

The first thing you should know is that the wheel works for half an hour.
Half an hour = 30 minutes.
We can make the following rule of three:
1 min ---> 10
30 min ---> x
Clearing x
x = ((30) / (1)) * (10) = 300
answer
300 couples took a ride