Simple program using single inheritance

Question

Please help me give the best program to write in exam and it should be remembered

Answer 1

https://code.sololearn.com/cFwo1m1M5LL2/?ref=app

Answer 2

You should use vehicle and car in which car inherits vehicle its te simplest to remeber because every car is a vehicle.

Answer 3

https://www.sololearn.com/learn/CPlusPlus/1907/

Answer 4

I Hope this help u