Question

average of 4 h 30 min and 42 sec will be​

Answer 1

Answer:

2 h 36 sec

Step-by-step explanation:

4 h 30 sec = 14430sec

average = $\frac{14430+42}{2}$ sec

              = $\frac{14472}{2}$sec

              = 7236 sec  ⇒  120min 36 sec  ⇒  2 h 36 sec