331.Two years ago a man's age was three times the square of his son's age. Three years hence his age will be four times his son's age. Find their present ages.
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Multiple Choice Questions
332.
If D > 0 then roots of a quadratic equation ax2 + bx + c = 0 are
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333.Discriminant of x2 + 5x + 5 = 0 is
–5
5
5
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334.For what values of ‘P’ the equation Px2 + 4a: + 1 = 0 has real roots:
P ≤ 4
P ≤ 5
P ≤ – 4
P ≤ – 4
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335.What is the nature of roots of quadratic equation 9x2 – 12x + 4 = 0?
Real
equal
unequal
unequal
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336.The solutions of 2x2 – 5x + 3 = 0 are
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337.The sum of roots of a quadratic equation x2 + 4x – 320 = 0 is:
-4
4
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338.The product of roots of a quadratic equation 2x2 – 7x – 4 = 0 is:
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339.Determine the value of ‘k’ for which the quadratic equation 4x2 – 3kx +1 = 0 has equal roots:
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340.If one root of the quadratic equation 2x2 + ax + 3 = 0 is 1, then the value of a is
Short Answer Type
Multiple Choice Questions
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