MCQ
The solution of inequality $25 x^2-4 \leq 0$ is :
- ✓$\left[-\frac{2}{5}, \frac{2}{5}\right]$
- B$\left(-\frac{2}{5}, \frac{2}{5}\right)$
- C$\left(-\frac{2}{5}, \infty\right)$
- DNone of the above
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The domain and range of the function f given by f(x) = 2 - x - 5| is.
Choose the correct answer.
If $\text{P}(\text{A}\cup\text{B})=\text{P}(\text{A}\cap\text{B})$ for any two events A and B, then:
Seven persons are to be seated in a row. The probability that two particular persons sit next to each other is:
$\frac{1}{3}$
$\frac{1}{6}$
$\frac{2}{7}$
$\frac{1}{2}$