three years ago the average age of a family of 5 members is
17 years. a baby having been born the average age of the
family is the same today. the present age of the baby is?
what is the syllabus of rrb assistant loco pilot exam? and
what is the time they alloted for the exam? and give the
details of subjects and how many marks they carry from each
subject and give details of wrong answers?