यदि \(a_1=120\) और (a_{n+1}=a_n-n(n+3)) है तो \(a_4\) क्या होगा?

If \(a_1=120\) and (a_{n+1}=a_n-n(n+3)), what is \(a_4\)?

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

A. (88)

Step 1

Concept

The terms are (120,116,106,88), so \(a_4=88\). Exam tip: subtract (4,10,18) in order.

Step 2

Why this answer is correct

The correct answer is A. (88). The terms are (120,116,106,88), so \(a_4=88\). Exam tip: subtract (4,10,18) in order.

Step 3

Exam Tip

पद (120,116,106,88) हैं इसलिए \(a_4=88\) है। (4,10,18) को क्रम से घटाएँ।

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 \(a_1=120\) और (a_{n+1}=a_n-n(n+3)) है तो \(a_4\) क्या होगा? / If \(a_1=120\) and (a_{n+1}=a_n-n(n+3)), what is \(a_4\)?

Correct Answer: A. (88). Explanation: पद (120,116,106,88) हैं इसलिए \(a_4=88\) है। (4,10,18) को क्रम से घटाएँ। / The terms are (120,116,106,88), so \(a_4=88\). Exam tip: subtract (4,10,18) in order.

Which concept should I revise for this Mathematics MCQ?

The terms are (120,116,106,88), so \(a_4=88\). Exam tip: subtract (4,10,18) in order.

What exam hint can help solve this Mathematics question?

पद (120,116,106,88) हैं इसलिए \(a_4=88\) है। (4,10,18) को क्रम से घटाएँ।