Q 1: Expand 27x^{3}+8y^{3}. (3x+2y)(9x^{2}6xy+4y^{2}) (3x+2y)(9x^{2}6xy+2y^{2}) None of these (3x+2y)(9x^{2}+6xy+4y^{2})

Q 2: If xy = 3 and xy = 18, find the value of x^{2}+y^{2}. 43 45 47 49

Q 3: (2x^{2}5).(7x+1) = _____? 14x^{3}2x^{2}35x5 14x^{3}+2x^{2}35x+5 14x^{3}+2x^{2}35x5 14x^{3}+2x^{2}+35x5

Q 4: Divide [(5a)^{3}(6b)^{3}] by (5a6b). 25a^{2}30ab+36b^{2} 25a^{3}+30ab+36b^{3} 25a^{2}+30ab+36b^{2} 25a^{3}+30ab+36b^{2}

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

Q 6: Divided (3x^{2} + 6x) by 3x. x  2 x^{2} + 2 x^{} + 3 x + 2

Q 7: Expand (5x+2y)^{2}. 25x^{2}+20xy+4y^{2} None of these 25x^{2}20xy+4y^{2} 25x^{2}+20xy+2y^{2}

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

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