Question

8. Karan cycles at a speed of 40 km/hour and reaches school in 12 minutes. How long will Kunaltake to reach school if he cycles at 30 km/hour?
9. Sita can finish typing a 100 page document in 9 hours, Mita in 6 hours and Rita in 12 hours.How long will they to type a 100 page document if they work together?​

Answer 1

Answer:

8. 16 min

9. 2hrs 8 min