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Class 10 Mathematics Arithmetic Progressions (AP)Finding the $n$th term of an APExpert

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What is the 44th term of the AP 11, 31/2, 20, …?

Answer and explanation

Correct answer: 409/2

The common difference is 31/2 − 11 = 9/2. Using a_n = a_1 + (n − 1)d, we get a_44 = 11 + 43(9/2) = 409/2. Therefore, option A is correct.

Related tags

Arithmetic Progressions Nth Term Finding The $N$Th Term Of An Ap Finding The N Th Term Of An Ap Arithmetic Progressions (Ap)Arithmetic Progressions Ap Mathematics Class 10 Mcq

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