यदि \(a_1=150\) और (a_{n+1}=a_n-(5n+4)) है तो \(a_3\) क्या होगा?

If \(a_1=150\) and (a_{n+1}=a_n-(5n+4)), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (127)

Step 1

Concept

The terms are (150,141,127), so \(a_3=127\). Exam tip: calculate (5n+4) before subtracting.

Step 2

Why this answer is correct

The correct answer is B. (127). The terms are (150,141,127), so \(a_3=127\). Exam tip: calculate (5n+4) before subtracting.

Step 3

Exam Tip

पद (150,141,127) हैं इसलिए \(a_3=127\) है। घटाने से पहले (5n+4) निकालें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=150\) और (a_{n+1}=a_n-(5n+4)) है तो \(a_3\) क्या होगा? / If \(a_1=150\) and (a_{n+1}=a_n-(5n+4)), what is \(a_3\)?

Correct Answer: B. (127). Explanation: पद (150,141,127) हैं इसलिए \(a_3=127\) है। घटाने से पहले (5n+4) निकालें। / The terms are (150,141,127), so \(a_3=127\). Exam tip: calculate (5n+4) before subtracting.

Which concept should I revise for this Mathematics MCQ?

The terms are (150,141,127), so \(a_3=127\). Exam tip: calculate (5n+4) before subtracting.

What exam hint can help solve this Mathematics question?

पद (150,141,127) हैं इसलिए \(a_3=127\) है। घटाने से पहले (5n+4) निकालें।