MCQ
Choose the correct answer. A single letter is selected at random from the word ‘PROBABILITY’. The probability that it is a vowel is:
- A$\frac{1}{3}$
- ✓$\frac{4}{11}$
- C$\frac{2}{11}$
- D$\frac{3}{11}$
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$1.$ Length of chord $P Q$ is
$(A)$ $7 a$ $(B)$ $5 a$ $(C)$ $2 a$ $(D)$ $3 a$
$2.$ If chord $PQ$ subtends an angle $\theta$ at the vertex of $y^2=4 a x$, then $\tan \theta=$
$(A)$ $\frac{2}{3} \sqrt{7}$ $(B)$ $\frac{-2}{3} \sqrt{7}$ $(C)$ $\frac{2}{3} \sqrt{5}$ $(D)$ $\frac{-2}{3} \sqrt{5}$
Give the answer question $1$ and $2.$