Answer :
Answer would be 180 cars.
Reason being if you take 24 and divide that by 2 you will get 12 and 12 times 15 is 180 or you could also do 24 times 7 then add 12 to get the 180 also
Reason being if you take 24 and divide that by 2 you will get 12 and 12 times 15 is 180 or you could also do 24 times 7 then add 12 to get the 180 also
Car washed in 1 hour =24/2=12 so car washed in 15 hours= 15×12=180