Q 1: Expand (x2y)^{3}. x^{3}6x^{2}y+12xy^{2}+8y^{3} None of these x^{3}6x^{2}y+12xy^{2}8y^{3} x^{3}6x^{2}y+6xy^{2}8y^{3}

Q 2: Divide 45x^{3}y^{4} by 9x^{3}y^{3}. 5y 5y^{3} None of these 5y^{2}

Q 3: (5x+2).(5x+3) = _____? 25x^{3}+25x+6 25x^{2}+25x+6 None of these 25x^{2}25x+6

Q 4: (7x+1)(6y3) = _____? 42x21x+6y3 42xy21x+6y3 42xy21x3 42xy21xy+6y3

Q 5: If ab = 6 and ab = 91, find the value of a^{3}b^{3}. 1844 1874 1854 1864

Q 6: Divide (a^{4}+a^{3}+6a^{2}+9a+7) by (a^{2}+a+2). Quotient=(a^{2}+4) and Remainder=(5a1) Quotient=(a^{2}+4) and Remainder=(5a+1) Quotient=(a^{2}4) and Remainder=(5a1) None of these

Q 7: Expand (x+2y)^{3} . x^{3}+6x^{2}y+12xy^{2}+8y^{2} x^{3}+6x^{2}y+12xy^{2}+8y^{3} None of these x^{3}+6x^{2}y+12xy^{2}+6y^{3}

Q 8: If x+y = 8, xy = 12, find the value of x^{2}+y^{2}. 44 46 42 40

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