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MTH 101 MTH 101 Past Questions Objective Question

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Find the nth term of the sequence 5, 10, 20, 40, 80...

A \(5 \times 2^{n+1}\)

B \(2 \times 5^{n-1}\)

C \(5 \times 2^{n-1}\)

Correct Answer

D \(5 \times 5^{n-1}\)

Option C is the correct answer.

First term a=5, common ratio r=2. nth term = ar^{n-1} = 5 × 2^{n-1}.

For a GP, nth term = ar^{n-1}.

Course: MTH 101

Topic: MTH 101 Past Questions

Type: Objective

Difficulty: Not specified

Question 608 of 696

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