Question

The average age of the children of class 7 is 12 years and 3 months. Express this age in seconds

Answer 1

Seconds in one year = 31536000. Seconds in 3 months = 7884008.64 total = 31536000^12+7884008.64 = 45727208.64

Answer 2

12 year 3 months

1 month = 30*24*3600s

12 * 12 + 3

= 147

Answer = 147*30*24*3600 s