Answers

2015-11-07T16:15:14+05:30
Total age of 39 person = 39*15 = 585years ……… age of 40 person = 15*40person+(3*40)/12(converting month into years so dividing by 12)=610years …………… therofore age of the teacher = 610 - 585 = 25 years.
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2015-11-07T17:25:40+05:30
total age of 39 person = 39*15 = 585years ………
age of 40 person = 15*40person+(3*40)/12=610years ……………
therefore age of the teacher = 610 - 585 =
25 years.
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