MCQ Questions for Class 8 Maths Chapter 1 Rational Numbers with Answers Advertisement 1. Which of the following statements is false ?Natural numbers are closed under additionWhole numbers are closed under additionIntegers are closed under additionRational numbers are not closed under additionYour comments:Question 1 of 202. Which of the following statements is false ?Natural numbers are closed under subtractionWhole numbers are not closed under subtractionIntegers are closed under subtractionRational numbers are closed under subtractionYour comments:Question 2 of 203. Which of the following statements is true ?Natural numbers are closed under multiplicationWhole numbers are not closed under multiplicationIntegers are not closed under multiplicationRational numbers are not closed under multiplicationYour comments:Question 3 of 204. Which of the following statements is true ?Natural numbers are closed under divisionWhole numbers are not closed under divisionIntegers are closed under divisionRational numbers are closed under divisionYour comments:Question 4 of 205. Which of the following statements is false ?Natural numbers are commutative for additionWhole numbers are commutative for additionIntegers are not commutative for additionRational numbers are commutative for additionYour comments:Question 5 of 206. Which of the following statements is true ?Natural numbers are commutative for subtractionWhole numbers are commutative for subtractionIntegers are commutative for subtractionRational numbers are not commutative for subtractionYour comments:Question 6 of 207. Which of the following statements is false ?Natural numbers are commutative for multiplicationWhole numbers are commutative for multiplicationIntegers are not commutative for multiplicationRational numbers are commutative for multiplicationYour comments:Question 7 of 208. Which of the following statements is true ?Natural numbers are commutative for divisionWhole numbers are not commutative for divisionIntegers are commutative for divisionRational numbers are commutative for divisionYour comments:Question 8 of 209. Which of the following statements is true ?Natural numbers are associative for additionWhole numbers are not associative for additionIntegers are not associative for additionRational numbers are not associative for additionYour comments:Question 9 of 2010. Which of the following statements is true ?Natural numbers are associative for subtractionWhole numbers are not associative for subtractionIntegers are associative for subtractionRational numbers are associative for subtractionYour comments:Question 10 of 2011. Which of the following statements is true ?Natural numbers are not associative for multiplicationWhole numbers are not associative for multiplicationIntegers are associative for multiplicationRational numbers are not associative for multiplicationYour comments:Question 11 of 2012. Which of the following statements is true ?Natural numbers are associative for divisionWhole numbers are associative for divisionIntegers are associative for divisionRational numbers are not associative for divisionYour comments:Question 12 of 2013. 0 is nota natural numbera whole number an integera rational numberYour comments:Question 13 of 2014. 1/2 is 2a natural numbera whole numberan integera rational numberYour comments:Question 14 of 2015. a + b = b + a is calledcommutative law of additionassociative law of additiondistributive law of additionnone of theseYour comments:Question 15 of 2016. a × b = b × a is calledcommutative law for addition commutative law for multiplicationassociative law for additionassociative law for multiplicationYour comments:Question 16 of 2017. (a + b) + c = a + (b + c) is calledcommutative law for multiplicationcommutative law for additionassociative law for additionassociative law for multiplicationYour comments:Question 17 of 2018. a × (b × c) = (a × b) × c is calledassociative law for additionassociative law for multiplicationcommutative law for additioncommutative law for multiplicationYour comments:Question 18 of 2019. a(b + c) = ab + ac is calledcommutative lawassociative lawdistributive lawnone of theseYour comments:Question 19 of 2020. The additive identity for rational numbers is1-10none of theseYour comments:Question 20 of 20 Loading...
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