Sunday: Start the week by cycling for 45 mins rather than 30 minutes this will help increase the time of your exercise.
Monday: 20 push-ups, 10 squats, and 20-minute jog; do all these exercise's and add weighs to increase the intensity of the workout session this as a result will help build muscles faster.
Tuesday: Keep the time same and try to rise the bike up-hill for more exertion
Wednesday: Rest, so that the muscles can have the time to rebuild
Thursday: Warm up by jogging for good 20 minutes and then increase the number of push-ups by 20, squats by 10 and curl-ups by 25 which will increase the intensity, frequency and time of the workout session
Friday: 30 minutes bike ride would be healthy along with a full sprint run
Saturday: Increase the frequency of a one hour walk