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Mohammad Ibrahim from Abu Dhabi Indian School, asked a question
Subject: Math , asked on 2/2/13

if the sum of all the terms of an AP : 1,4,7,10........x is 287 then find x

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Bhaveen From Cbse International School, added an answer, on 4/2/13
110 helpful votes in Math

  1 + 4 + 7 + 10 +.... + x = 287

Let there be n terms in the A.P.

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