Science · Science
मोबाइल का आविष्कार किसने किया?
- 1चित्तू पाण्डे
- 2सच्चिदानंद सिन्हा
- 3वराहमिहिर
- 4मार्टिन कूपर✓
सही उत्तर देखें
मार्टिन कूपर
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