Q180.Direction of the question: Solve the following question and mark the best possible option.
For any natural number n, suppose the sum of the first n terms of an arithmetic progression is (n+2n2). If the nth term of the progression is divisible by 9, then the smallest possible value of n is
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Q180
27 Nov 2022
Q180.Direction of the question: Solve the following question and mark the best possible option.
For any natural number n, suppose the sum of the first n terms of an arithmetic progression is (n+2n2). If the nth term of the progression is divisible by 9, then the smallest possible value of n is
