यदि \(a_1=3\) और \(a_{n+1}=5a_n\) है तो \(a_3\) क्या होगा?

If \(a_1=3\) and \(a_{n+1}=5a_n\), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

D. (75)

Step 1

Concept

The terms are (3,15,75), so \(a_3=75\). Exam tip: multiply the previous term by (5).

Step 2

Why this answer is correct

The correct answer is D. (75). The terms are (3,15,75), so \(a_3=75\). Exam tip: multiply the previous term by (5).

Step 3

Exam Tip

पद (3,15,75) हैं इसलिए \(a_3=75\) है। पिछले पद को (5) से गुणा करें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=3\) और \(a_{n+1}=5a_n\) है तो \(a_3\) क्या होगा? / If \(a_1=3\) and \(a_{n+1}=5a_n\), what is \(a_3\)?

Correct Answer: D. (75). Explanation: पद (3,15,75) हैं इसलिए \(a_3=75\) है। पिछले पद को (5) से गुणा करें। / The terms are (3,15,75), so \(a_3=75\). Exam tip: multiply the previous term by (5).

Which concept should I revise for this Mathematics MCQ?

The terms are (3,15,75), so \(a_3=75\). Exam tip: multiply the previous term by (5).

What exam hint can help solve this Mathematics question?

पद (3,15,75) हैं इसलिए \(a_3=75\) है। पिछले पद को (5) से गुणा करें।