MCQ Class 8 Maths Ganita Prakash Chapter 6 We Distribute, Yet Things Multiply Advertisement 1. Which property is expressed by a(b + c) = ab + ac? Commutative property Associative property Distributive property Identity propertyQuestion 1 of 202. What is the increase in product when b is increased by 1 in ab? a b ab 1Question 2 of 203. What is (a + 1)(b + 1) equal to? ab + 1 ab + a + b + 1 ab + a + b ab + 2Question 3 of 204. Increase in ab when both a and b increase by 1 is: a + b a + b + 1 ab 1Question 4 of 205. What is (a + 1)(b − 1)? ab + a − b − 1 ab + b − a − 1 ab − a − b ab − 1Question 5 of 206. Algebraic statements showing equality are called: Equations Expressions Identities VariablesQuestion 6 of 207. What is (a + m)(b + n)? ab + mn ab + an + bm + mn ab + an ab + bmQuestion 7 of 208. Increase in product for (a+m)(b+n) is: mn ab an + bm + mn a + bQuestion 8 of 209. What is (a + u)(b − v)? ab + uv ab + ub − av − uv ab − uv ab − ubQuestion 9 of 2010. What is (a − u)(b + v)? ab − ub + av − uv ab + ub + av ab − uv ab + uvQuestion 10 of 2011. What is (a − u)(b − v)? ab − ub − av + uv ab + uv ab − uv ab + ubQuestion 11 of 2012. Like terms are: Same variables with same powers Same numbers Different variables Constants onlyQuestion 12 of 2013. (a + b)(a + b) equals: a² + b² a² + 2ab + b² ab 2a + 2bQuestion 13 of 2014. What is ba equal to? Different from ab ab b² a²Question 14 of 2015. (a + b)(a² + 2ab + b²) equals: a³ + b³ a³ + 3a²b + 3ab² + b³ a²b² abQuestion 15 of 2016. Who explicitly stated distributive property? Euclid Aryabhata Brahmagupta NewtonQuestion 16 of 2017. 3874 × 11 equals: 42614 38740 7748 3974Question 17 of 2018. dcba × 11 gives pattern: Reverse digits Add adjacent digits Multiply digits Subtract digitsQuestion 18 of 2019. 3874 × 101 equals: 391474 387400 3874 400000Question 19 of 2020. (a + b)² identity is: a² + b² a² + 2ab + b² a² − b² abQuestion 20 of 20 Loading...
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