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ICSE Question Bank
2021Q12Arithmetic Progression
MCQEasy1 mark

Select the correct option for each of the following questions.

In an Arithmetic Progression (A.P.) if first term is 5, common difference is -3 and the nth term is -7, then n is equal to

Topic: Arithmetic progression

Previous-year question practice database

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Answer

Exam answer

(a) n = 5.

Explanation

Tₙ = a + (n−1)d. −7 = 5 + (n−1)(−3) ⇒ n = 5.

In words

n = 5.

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