Q 1: Find the HCF of 12a^{2}, 4ac and 6c^{2}. 2 None of these 2a^{2}b 2ac

Q 2: Find the value of (249)^{2} using formula. 63001 65001 62001

Q 3: (9x9).(2x5) = _____? 18x^{2}63x+50 10x^{2}63x+45 18x^{2}63x+45

Q 4: _____  12x + 4. (5x+2)^{2} (3x2)^{2} (x+5)^{2} (3x+2)^{2}

Q 5: Factorise 24x^{2}z+18xyz+30xz. 4xz(6x+3y+5) 6xz(4x+3y+5) 3xz(8x+3y+5)

Q 6: (7x+5)(5y+7) = _____? 35xy+49x+22y+35 35xy+45x+25y+35 35xy+49x+25y+35

Q 7: Factorise 256x^{2 } 1. (16x1)(16x1) (16x+1)(16x+1) (16x+1)(16x1)

Q 8: (6x^{2}+2y) = (7x^{2}+2b), is this statement is true for any pair of real numbers? False True

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