1) choose correct alternative answer a) 6x2 b) 7x c) 6x2+7x d) 6x+7 2) what is the mean of 1,2,3,4,5,6,7 ? a) 3 b) 4 c) 5 d) 6 3) what is the mean of the first four prime numbers ? a) 3.5 b) 7 c) 5 d) 4.25 4) choose correct alternative answer a) 9x3 b) - 9x3 c) 9x5 d) - 9x5 5) what is the mean of 1,3,5,7,9,11,13 ? a) 3 b) 5 c) 7 d) 9 6) correct alternative answer a) 5+3x-2x2 b) 2x2 -3x - 5 c) - 2x2 -3x +5 d) - 2x2 + 3x -5 7) Degree of the polynomial 3x2+4x is ? a) 2 b) 3 c) 4 d) 5 8) If the mean of 3,7,11,and x is 9,what is the value of x ?   a) 9 b) 11 c) 13 d) 15 9) choose correct alternative answer a) 16y - 4 b) 16y + 4 c) 16y + 1 d) 16y - 1 10) choose the correct alternative answer a) 5x2 - 17x + 7 b) 5x2 + 17x - 7 c) 5x2 + 7x d) 5x2 - 7x

Class 8th , Sub - Maths (practice paper)

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