MCQ Class 8 Maths Ganita Prakash Chapter 3 A Story of Numbers Advertisement 1. When did humans start counting? During the Iron Age During the Stone Age During the Medieval Age During the Modern AgeQuestion 1 of 202. Why did early humans count animals? For fun To know their names To track livestock To draw picturesQuestion 2 of 203. What is one-to-one mapping? One object to many objects One object to one symbol Many objects to one symbol No mappingQuestion 3 of 204. Which method used sticks for counting? Method 1 Method 2 Method 3 Method 4Question 4 of 205. What is a limitation of using letters for counting? Too many letters Cannot go beyond 26 Hard to write No orderQuestion 5 of 206. What is a number system? A group of symbols A sequence of objects with order Only numbers Only lettersQuestion 6 of 207. What are numerals? Objects Names Symbols representing numbers SoundsQuestion 7 of 208. What is the Roman numeral for 5? X V I LQuestion 8 of 209. Roman numeral for 10 is: I V X LQuestion 9 of 2010. Roman numeral for 50 is: L C D MQuestion 10 of 2011. Roman numeral for 100 is: X L C DQuestion 11 of 2012. Roman numeral for 1000 is: D M C LQuestion 12 of 2013. What is 27 in Roman numerals? XXVII XXV XXVI XXIXQuestion 13 of 2014. Roman system drawback is: Easy multiplication Difficult arithmetic No symbols Too simpleQuestion 14 of 2015. What is a landmark number? Random number Important reference number Small number Decimal numberQuestion 15 of 2016. Egyptian system is based on: Base 5 Base 10 Base 2 Base 20Question 16 of 2017. What are powers of 10? 1, 2, 3 10, 20, 30 1, 10, 100 5, 10, 15Question 17 of 2018. A base-n system means: Random grouping Multiplying by n each time Adding n each time Dividing by nQuestion 18 of 2019. Base-10 is also called: Binary Decimal Hexadecimal OctalQuestion 19 of 2020. Base-5 landmark numbers are: Powers of 2 Powers of 5 Multiples of 5 RandomQuestion 20 of 20 Loading...
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