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1. Decimal system was originated in: (a) China (b) India (c) Greece (d) Egypt 2. In which country the first telephone exchange was established? (a) USA (b) UK (c) France (d) Germany 3. Railway was started in: (a) Germany (b) France (c) England (d) Spain 4. Which civilization made solar calendar for the first time? (a) Chinese (b) Mesopotamian (c) Sumerian (d) Egyptian 5. Which civilization made lunar calendar for the first time? (a) Mesopotamian (b) Chinese (c) Egyptian (d) Sumerian 6. In which country the first employment exchange was established? (a) France (b) India (c) USA (d) China 7. Metro railway was started in: (a) China (b) USA (c) Japan (d) England 8. The technique of writing was invented by...... civilization. (a) Sumerian (b) Egyptian (c) Inca (d) Chinese 9. Printing was discovered by ...... civilization: (a) Chinese (b) Mesopotamian (c) Egyptian (d) Sumerian 10. Printing press was discovered by: (a) England (b) Germany (c) France (d) Italy 11. Industrial revolution was sta...