MCQ Class 8 Maths Chapter 8 Algebraic Expressions and Identities Advertisement MCQ’s For All Chapters – Maths Class 8th 1. The coefficient of x in the expression -7x +5 is (a) 5 (b) -7 (c) 7 (d) xABCDQuestion 1 of 202. The numerical coefficient of y in the expression 2x+3y+7z is (a) 2 (b) 3 (c) 7 (d) 3yABCDQuestion 2 of 203. The expression y+z+100 is a (a) monomial (b) literal number (c) binomial (d) trinomialABCDQuestion 3 of 204. The expression 7xy has the factors (a) 7,x,y (b) x,y (c) 7,x (d) 7,yABCDQuestion 4 of 205. The common factors of the terms 2y. 22xy is (a) 2 (b) 2y (c) y (d) xyABCDQuestion 5 of 206. The addition of ab-bc, bc-ca, ca-ab is (a) 3ab+3bc+3ca (b) 0 (c) ab+bc+ca (d) ab-bc+caABCDQuestion 6 of 207. One of the example of binomial is (a) 3xyz (b) 3xy+z (c) 3x+y+z (d) 3+x+y+zABCDQuestion 7 of 208. The area of triangle is‟ xy‟ where‟ x‟ is length and „y‟ is breadth. If the length of rectangle is increased by 5 units and breadth is decreased by 3 units, the new area of rectangle will be (a) (x-y)(x+3) (b) xy+15 (c) (x+5)(y-3) (d) xy +5-3ABCDQuestion 8 of 209. Multiplication of pq+qr+rp and 'zero' is (a) pq+qr (b) pq+rp (c) pq+qr+rp (d) 0ABCDQuestion 9 of 2010. The value of 3x(4x-5)+3 for x=3 (a) -6 (b) 66 (c) 106 (d) 0ABCDQuestion 10 of 2011. Which of the following expression is trinomial (a) xyz (b) xy+z (c) x+y+z (d) x+yzABCDQuestion 11 of 2012. Which of the following expression is monomial (a) x+1 (b) pqr (c) pq+r (d) p+qrABCDQuestion 12 of 2013. Subtracting 7x +y from –x +y gives (a) 6x+2y (b) 8x+2y (c) -8x (d) 8xABCDQuestion 13 of 2014. Find the value of 95 x 102 by suitable identity. (a) 10310 (b) 10290 (c) 10690 (d) 9690ABCDQuestion 14 of 2015. The value of 2x (-3x) is ABCDQuestion 15 of 2016. Area of rectangle of length '3x' and breadth '5y' is (a) 3x+5y (b) 15xy (c) 15x (d) 15yABCDQuestion 16 of 2017. Number of terms in the expression xyz+1 is (a) 4 (b) 3 (c) 2 (d) 1ABCDQuestion 17 of 2018. The product of -4p and 7p is ABCDQuestion 18 of 2019. Use suitable identity to evaluate (a) 9801 (b) 10199 (c) 10201 (d) 10001ABCDQuestion 19 of 2020. Multiplication of 'ab' and 'a-b' is ABCDQuestion 20 of 20 Loading...
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