Helicopter was invented by January 12, 2020 by Rimpa A) Drinker B) Broquet C) Copernicus D) Cockrell View AnswerOption – B. Similar QuestionsThe Computer size was very large in‘My strongest bulwark is gone’ lamented Gandhiji on the death of382 473 568 728 847 629 If 382 is written as 238, 473 as 347 and so on, then which of the following two numbers will have least difference between them?Which of the following is not true about bottom-up estimating?Largest Mint in India is atWhich of the following is malleable?Arrange the given words in the sequence in which they occur in the dictionary. 1. Flinching 2. Flintlock 3. Flinpites 4. Flintlocks 5. FlinchersThe rate of change of linear momentum of a body falling freely under gravity is equal to it’s ____ ?Sound waves cannot travel throughWho invented logarithms?