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It assesses knowledge in subjects relevant to the candidate’s chosen course of study.","tags","utme jamb joint admission matriculation board unified tertiary matriculation examination nigeria africa","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",5,"createdOn",1755987353430,"updatedOn","questionsCount",29915,"courseCount",20,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":426},"2UXPBaNXEUB4laIODHqroprMcrlK5G","q","The mean of the ages of ten secondary school pupils is 16 but when the age of their teacher is added to it the men becomes 19. Find the age of the teacher","ans",[414],3,"1993","course","mathematics","exp","Average age of 110 students = 16
\n
\n∴ Total age = 16 x 10 = 160 years
\n
\nAge of teachers = x, total number of people now = 11
\n
\nmean age = 19
\n
\nTotal age of new group = 19 x 11 = 209
\n
\nAge of teachers = x = (209 - 160) = 49 yrs","opts",[422,423,424,425],"27","35","38","49",35,"initComment","initReply","actionData","errors"]

JAMB - Mathematics (1993 - No. 35)

Explanation

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