Question

A machine takes $2$ litres of petrol to start and then $3$ litres per hour while running. What is the amount of petrol it takes after two hours?

• A. $8$
• B. $6$
• C. $7$
• D. $9$

Answer 1

The correct option is A $8$

Amount of petrol taken by machine after $2$ hours $=2+2\times 3=2+6=8$.