Mathematics · Arithmetic Progression
समांतर श्रेढ़ी (A.P.) (....), 15, (....), 5 में लुप्त पहला और तीसरा पद क्रमशः हैं:
- 111, 12
- 210, 20
- 311, 9
- 420, 10✓
सही उत्तर देखें
20, 10
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