A person can kill a bird with probability $3/4$. He tries $5$ times. What is the probability that he may not kill the bird
$\frac{{243}}{{1024}}$
$\frac{{781}}{{1024}}$
$\frac{1}{{1024}}$
$\frac{{1023}}{{1024}}$
The probability of drawing a white ball from a bag containing $3$ black balls and $4$ white balls, is
The probability that an ordinary or a non-leap year has $53$ sunday, is
Let Ajay will not appear in JEE exam with probability $\mathrm{p}=\frac{2}{7}$, while both Ajay and Vijay will appear in the exam with probability $\mathrm{q}=\frac{1}{5}$. Then the probability, that Ajay will appear in the exam and Vijay will not appear is :
Let $A$ be the event that the absolute difference between two randomly choosen real numbers in the sample space $[0,60]$ is less than or equal to $a$. If $P(A)=\frac{11}{36}$, then $a$ is equal to $...............$.
The chances of throwing a total of $3$ or $5$ or $11$ with two dice is