If $a + b + c = 0$,then the roots of the equation $4ax^2 + 3bx + 2c = 0$ are

  • A
    Equal
  • B
    Imaginary
  • C
    Real
  • D
    None of these

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If the difference between the roots of the equation $x^2 + ax + b = 0$ is equal to the difference between the roots of the equation $x^2 + bx + a = 0$ $(a \ne b)$,then:

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Babu starts from his house at a certain time with a certain speed to pick up his girlfriend from the office at $5:00 \, PM$. One day,his girlfriend left the office at $3:00 \, PM$ and started walking home at a speed of $40 \, km/h$. She met Babu on the way,who had left his home at his usual time. They reached home $40 \, min$ earlier than their usual time. If Quantity $I$ is the speed of Babu and Quantity $II$ is $120 \, km/h$,compare the two quantities.

The solution of the inequality $2x^2 + 3x - 9 \le 0$ is given by

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