state gov Assam (অসম) ADRE Grade III Mock Test Series 2025 General Knowledge Science Technology and Inventions

खालीलपैकी कोणी बॅटरीचा शोध लावला?

1
रुडॉल्फ डिझेल
2
आल्फ्रेड नोबल
3
अलेस्सांद्रो व्होल्टा
4
जॉन नेपियर
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