Fill in the BlanksCBSE, Class 10, Mathematics, Real Numbers 1). H.C.F. of 6, 72 and 120 is ________________. Answer 6 2). 156 as a product of its prime factors _____________ Answer `2^{2}\times3\times13` 3). If a = bq + r, least value of r is ________________. Answer Zero 4). If every positive even integer is of the form 2q, then every positive odd integer is of the form _________, where q is some integer. Answer 2q + 1 5). The exponent of 2 in the prime factorisation of 144, is _____________. Answer 4 6). `\sqrt{2}`, `\sqrt{3}`, `\sqrt{6}`, etc are _____________ numbers. Answer Irrational 7). `7\sqrt{5}` is a/an ___________ number. Answer Irrational 8). An algorithm which is used to find HCF of two positive numbers is ______________. Answer Euclid’s division algorithm 9). `6+\sqrt{2}` is a/an ____________ number. Answer Irrational 10). Every point on the number line corresponds to a ______________ number. Answer Real 11). A ___________ is a proven statement used for proving another statement. Answer lemma 12). The product of three numbers is _____________ to the product of their HCF and LCM. Answer Not equal 13). L.C.M. of 96 and 404 is ________________. Answer 9696 14). If p is a prime number and it divides `a^{2}` then it also divides ___________, where a is a positive integer. Answer a 15). `\frac{35}{50}` is a __________ decimal expansion. Answer terminating 16). An ___________ is a series of well defined steps which gives a procedure for solving a type of problem. Answer algorithm 17). Every real number is either a ___________ number or an ___________ number. Answer Rational, Irrational 18). Euclid’s Division Lemma is a restatement of ______________. Answer Long division process 19). `\frac{1}{\sqrt{2}}` is a/an ___________ number. Answer Irrational 20). Numbers having non-terminating, non-repeating decimal expansion are known as _____________. Answer Irrational numbers 21). `\sqrt{5}` is a/an ………. number. Answer irrational
Case Study Questions Chapter 1: Real Numbers Leave a Comment / CBSE, Class 10, Mathematics, Real Numbers / By Rankers Study Tutorial
Case Study Questions: History – India and the Contemporary World – II Leave a Comment / CBSE, Class 10, History : India and the contemporary World - II / By Rankers Study Tutorial