Mathematics · Arithmetic Progression
यदि समांतर श्रेणी a, a - b, a - 2b, a - 3b, ... का 10वां पद 20 है और 20वां पद 10 है, तो श्रेणी का xवां पद क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 130 - x✓
- 229 - x
- 320 - x
- 410 - x
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30 - x
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