Question

Ankit takes 15 minutes to go to the school and 20 minutes to come back from the school by bicycle if school is 3.5 kilometre away from the school what is his average speed class 5th

Answer 1

Step-by-step explanation:

Average speed = Total distance ÷ Total time

= (3.5 + 3.5) km ÷ (15÷60 + 20÷60)

=

$\frac{7}{7 \div 12}$

$\frac{7 \times 12}{7}$

ANS = 12km/h