An aircraft covers a distance of 240 km. Covers in 5 hours at hourly speed. His speed to cover the same distance in 5/3 hours will be -

• A. 300 किमी. प्रति घंटे
• B. 360 किमी प्रति घंटे
• C. 600 किमी. प्रति घंटे
• D. 720 किमी. प्रति घंटे