यदि \(a_1=60\) और (a_{n+1}=a_n-(3n+1)) है तो \(a_4\) क्या होगा?

If \(a_1=60\) and (a_{n+1}=a_n-(3n+1)), what is \(a_4\)?

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

B. (39)

Step 1

Concept

The terms are (60,56,49,39), so \(a_4=39\). Exam tip: calculate (3n+1) correctly before subtracting.

Step 2

Why this answer is correct

The correct answer is B. (39). The terms are (60,56,49,39), so \(a_4=39\). Exam tip: calculate (3n+1) correctly before subtracting.

Step 3

Exam Tip

पद (60,56,49,39) हैं इसलिए \(a_4=39\) है। घटाने से पहले (3n+1) सही निकालें।

Question me issue ya doubt hai?

Answer, explanation, typing mistake ya suggestion directly hamari team ko bhejein. 📱Helpline (Call / WhatsApp): +91 7272824365

Related Mathematics Questions

FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=60\) और (a_{n+1}=a_n-(3n+1)) है तो \(a_4\) क्या होगा? / If \(a_1=60\) and (a_{n+1}=a_n-(3n+1)), what is \(a_4\)?

Correct Answer: B. (39). Explanation: पद (60,56,49,39) हैं इसलिए \(a_4=39\) है। घटाने से पहले (3n+1) सही निकालें। / The terms are (60,56,49,39), so \(a_4=39\). Exam tip: calculate (3n+1) correctly before subtracting.

Which concept should I revise for this Mathematics MCQ?

The terms are (60,56,49,39), so \(a_4=39\). Exam tip: calculate (3n+1) correctly before subtracting.

What exam hint can help solve this Mathematics question?

पद (60,56,49,39) हैं इसलिए \(a_4=39\) है। घटाने से पहले (3n+1) सही निकालें।