A geometric sequence has first term and common ratio . Find its term number 4.
Answer and explanation
Correct answer: D. 40
- Step 1: .
- Step 2: .
Answer
40.
Why not the others: 80: that is the th term. 30: it multiplies by only once, as in an arithmetic sequence. 20: that is the th term.
Practise more Number and Algebra.
Free questions with an explanation for every one, and full timed Kuwait University Aptitude Tests (KUAT) mock tests.
More Number and Algebra questions
- A prize of \42$ is shared by Amy and Ben in the ratio $2:5$. How much does Ben receive?
- A prize of \120$ is shared by Amy and Ben in the ratio $3:7$. How much does Ben receive?
- A prize of \30$ is shared by Amy and Ben in the ratio $2:3$. How much does Ben receive?
- Solve .
- Solve . What is the value of ?
- Solve . What is the value of ?