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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},"mJw87KAa2paNhzOBsCC011aSdkFD7U","q","A man sells his new brand car for N420,000 at a gain of 15%. What did it cost him?","ans",[414],1,"2015","course","mathematics","exp","Cost Price:
\n
\nSelling price = 100 : (100 + 15)
\n
\n= 100 : 115
\n
\nCost Price
\n
\n= 100 ÷ 115 of selling price (i.e N420,000)
\n
\n= 100 ÷ 115 × N420,000
\n
\n= N365,217.4
\n
\n∴ Cost Price = N365, 217","opts",[422,423,424,425],"N410,000","N365, 217","N157, 250","N257,000",28,"28","initComment","initReply","actionData","errors"]

JAMB - Mathematics (2015 - No. 28)

Explanation

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