Mathematics MCQs
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1481.If f(x) = x² - 4x then f(4)-f(2) equals?
1482.If y ∝ x³ and y = 54 when x = 3 find y when x = 2?
1483.Solve: (3x + 2)/4 = (x + 6)/2?
1484.If roots of x² - 10x + 21 = 0 are decreased by 1, new equation is?
1485.If x² - px + 90 has factors differing by 9, then p equals?
1486.If (a + bi)(a - bi) = 73 and a + b = 12 then a² + b² equals?
1487.If a/b = 10/11 and b/c = 6/7 then a:c equals?
1488.Mean of 12, 14, 16, 18 is?
1489.A diameter subtends what angle at the circumference?
1490.secθ × cosθ equals?