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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",18,"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},"5qe7Ib25Zl92k9RPQBDPgI6OC0xgtc","q","The eleventh term of an AP, is 25 and its first term is -3. Find its common difference.","ans",[414],4,"1997","course","mathematics","exp","a + 10d = 25
\n-3 + 10d = 25
\nd = 28/10 = 2⁴/₅","opts",[422,423,424,425,426],"1⁹/₁₀","2¹/₅","2³/₁₁","2¹/₂","2⁴/₅",27,"27","initComment","initReply","actionData","errors"]

WAEC - Mathematics (1997 - No. 27)

Explanation

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