Inventions - Single MCQs (Page 5)

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Q41. Cinematography was invented by ?...Q42. The theory of Evolution was produced by ?...Q43. Decimal system was introduced by?...Q44. Apparatus invented by Archimedes is :?...Q45. An instrument used for measuring sound under water ?...Q46. At which town in Gujarat is the Tata Group setting up its Nano car project ?...Q47. In which decade was the SPICE simulator introduced?...Q48. Who developed the idea of Crop Rotation?...Q49. Who invented Dynamite?...Q50. What African-American inventor received 5 patents in the field of shoemaking?...