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In a school a survey of 400 students 100 were listed as taking apple juice 150 taking orange juice and 75 were listed as taking both apple and orange juicea) how many students take apple juice or orange juiceb) how many take apple juice alone but not orange juicec) how many students take neither apple juice nor orange juice |
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Answer» Step-by-step explanation: nth term of an A.P (an) = pn + q To FIND: COMMON Difference (d) PROOF: We know that, an = a + (n – 1)d ⇒ pn + q = a + (n – 1)d [given] ⇒ pn + q – a = (n – 1)d |
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