Mathematics MCQs
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1651.If (a+bi)² is purely real and a ≠ 0, then relation between a and b is?
1652.Mean of data: 2, 4, 6, 8 is?
1653.If a:b = 3:4 and b:c = 2:5 then a:c is?
1654.The tangent at any point of a circle is perpendicular to?
1655.Evaluate: tan²θ + 1?
1656.If areas of two similar triangles are in ratio 9:16, ratio of their sides is?
1657.If hypotenuse = 13 and one side = 5, the other side is?
1658.If two sides of a triangle are 7 and 10, the possible third side is?
1659.Decompose: 5/[x(x + 2)]?
1660.If f(x) = 2x + 1 find f-¹(x)?