Question

The average age of children of class8 is12year and 3months. Express this age in second

Answer 1

It can be written by first you multiply for day that is

ONE HOUR = 60 SEC
ONE DAY = 24 HOURS

SO
60 into 60 = 3600 per hour
3600 INTO 24
86,400SEC PER DAY
NOW
Calculate 86,400 into 365

=31,536,000
FOR 12 YEARS
=28 432,000 + 3 MONTHS
=34815744000

Answer 2

It is 3864072 seconds