यदि \(t_1=x\), \(t_n=t_{n-1}+n\) और \(t_5=24\) है, तो (x) का मान क्या होगा?

If \(t_1=x\), \(t_n=t_{n-1}+n\), and \(t_5=24\), what is the value of (x)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. दस(10)

Step 1

Concept

\(t_5=x+2+3+4+5\), so (x=10). In exams, keep the unknown first term separate.

Step 2

Why this answer is correct

The correct answer is A. दस / (10). \(t_5=x+2+3+4+5\), so (x=10). In exams, keep the unknown first term separate.

Step 3

Exam Tip

\(t_5=x+2+3+4+5\), इसलिए (x=10) है। परीक्षा में अज्ञात प्रथम पद को अलग रखें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(t_1=x\), \(t_n=t_{n-1}+n\) और \(t_5=24\) है, तो (x) का मान क्या होगा? / If \(t_1=x\), \(t_n=t_{n-1}+n\), and \(t_5=24\), what is the value of (x)?

Correct Answer: A. दस / (10). Explanation: \(t_5=x+2+3+4+5\), इसलिए (x=10) है। परीक्षा में अज्ञात प्रथम पद को अलग रखें। / \(t_5=x+2+3+4+5\), so (x=10). In exams, keep the unknown first term separate.

Which concept should I revise for this Mathematics MCQ?

\(t_5=x+2+3+4+5\), so (x=10). In exams, keep the unknown first term separate.

What exam hint can help solve this Mathematics question?

\(t_5=x+2+3+4+5\), इसलिए (x=10) है। परीक्षा में अज्ञात प्रथम पद को अलग रखें।