Contact us
manysolution12.blogspot.com
10th Maths Chapter 1
Chapter 1 Real Numbers Q1. Choose the correct option: 1. HCF of (96, 404) is : a) 4 b) 120 c) 11 d) 5 2. HCF of (6, 20) is : a) 20 b) 6 c) 120 d) 2 3. HCF of (91, 21) is : a) 91 b) 21 c) 7 d) 12 4. If the product of two numbers is 32 and LCM is 8 then its HCF is : a) 4 b) 2 c) 1 d) 00 5. If two positive integers p and q are expressed as p = ab² and q = a³b; a, b being prime numbers, then LCM. (p,q) is : a) ab b) a²b² c) a³b² d) a³b³ Answer: 1. b, 2. c, 3. c, 4. a, 5. c Q2. Fill in the blanks: 1. HCF. (a, b)×LCM. (a, b) = .................. . 2. If `a = x^3y^2` and `y = xy^3`, where `x, y` are prime numbers, then HCF. (a, b) will be ............ . 3. `sqrt3` is a ............. number. 4. Rational and irrational numbers both are .......... numbers...
