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These resources are designed to help you familiarize yourself with the exam format, identify key topics, and practice effectively. Whether you're preparing for the May/June or GCE sessions, our curated materials provide both objective and theory questions to enhance your study sessions.","tags","waec nigeria west africa examination council","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",10,"createdOn",1755991949910,"updatedOn","questionsCount",27220,"courseCount",23,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":427},"ktGGddpsQouYTmtSusUtIZ2vt1pESR","q","The first term a of an A.P is equal to twice the
\ncommon difference d. Find, in terms of d, the 5th
\nterm of the A.P.","ans",[414],2,"1991","course","mathematics","exp","T_n = a + (n - 1)d; AP; a = 2d; T_n = 2d + (n - 1)d
\n
\nT₅ = 2d + (5 - 1)d = 2d + 4d = 6d","opts",[422,423,424,425,426],"4d","5d","6d","a + 5d","2a + 4d",22,"22","initComment","initReply","actionData","errors"]

WAEC - Mathematics (1991 - No. 22)

Explanation

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