General Knowledge · Inventions and Communication
ब्रेल लिपि में, मोटे कागज पर उभरे हुए बिंदुओं की पंक्तियाँ बनाई जाती हैं। यह लिपि कितने बिंदुओं पर आधारित होती है?
- 18 बिंदु
- 27 बिंदु
- 36 बिंदु✓
- 45 बिंदु
सही उत्तर देखें
6 बिंदु
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