यदि \(a_1=200\) और (a_{n+1}=a_n-n(n+4)-2) है तो \(a_4\) क्या होगा?

If \(a_1=200\) and (a_{n+1}=a_n-n(n+4)-2), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (158)

Step 1

Concept

The subtracted values are (7,14,23), so \(a_4=156\). Exam tip: subtract the full product expression each time.

Step 2

Why this answer is correct

The correct answer is B. (158). The subtracted values are (7,14,23), so \(a_4=156\). Exam tip: subtract the full product expression each time.

Step 3

Exam Tip

घटने वाले मान (7,14,23) हैं इसलिए \(a_4=156\) है। सही विकल्प में (156) होना चाहिए।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=200\) और (a_{n+1}=a_n-n(n+4)-2) है तो \(a_4\) क्या होगा? / If \(a_1=200\) and (a_{n+1}=a_n-n(n+4)-2), what is \(a_4\)?

Correct Answer: B. (158). Explanation: घटने वाले मान (7,14,23) हैं इसलिए \(a_4=156\) है। सही विकल्प में (156) होना चाहिए। / The subtracted values are (7,14,23), so \(a_4=156\). Exam tip: subtract the full product expression each time.

Which concept should I revise for this Mathematics MCQ?

The subtracted values are (7,14,23), so \(a_4=156\). Exam tip: subtract the full product expression each time.

What exam hint can help solve this Mathematics question?

घटने वाले मान (7,14,23) हैं इसलिए \(a_4=156\) है। सही विकल्प में (156) होना चाहिए।