Mathematics Answer, Explanation and Revision Hints
किस (a) के लिए (a+4, 2a+1, 5a-8) समांतर श्रेणी है? / For which (a) is (a+4, 2a+1, 5a-8) an arithmetic progression?
Correct Answer: C. (3). Explanation: अंतर (a-3) और (3a-9) हैं। बराबर करने पर (a=3) मिलता है। / The differences are (a-3) and (3a-9). Equating them gives (a=3).
Which concept should I revise for this Mathematics MCQ?
The differences are (a-3) and (3a-9). Equating them gives (a=3).
What exam hint can help solve this Mathematics question?
अंतर (a-3) और (3a-9) हैं। बराबर करने पर (a=3) मिलता है।
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