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In an Arithmetic Progression (A.P.) the fourth and sixth terms are 8 and 14 respectively. Find the :
(i) first term
(ii) common difference
(iii) sum of the first 20 terms

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The correct Answer is:
(i) -11 (ii) 5 (iii) 730
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ICSE-QUESTION PAPER 2019-SECTION B
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