Helicopter was invented by January 12, 2020 by mcq A) Drinker B) Broquet C) Copernicus D) Cockrell View AnswerOption – B. More QuestionsWhat was the strength of Indus economy?If Neena says, “Anita’s father Raman is the only son of my father-in-law Mahipal”, then how is Bindu, who is the sister of Anita, related to Mahipal ?Which is the first country in the world to pay a basic income to randomly picked citizens on a national level, with the aim of dismissing poverty, motivate people to join work force and decrease unemplyment ?What is the probabiltiy of getting a mutliple of 2 or 5 when an unbiased cubic die is thrown?Do plant cells have Mitochondria?A, B and C invest in the ratio of 3 : 4: 5. The percentage of return on their investments are in the ratio of 6 : 5 : 4. Find the total earnings, If B earns Rs. 250 more than A :Two popular Assemblies of the Vedic period wereSynonym of ‘Beautiful’?Odd man out of the series 90 72 56 42 36 20Which of the following is not a monosaccharide?