Two roads XY and YZ of 15 metres and 20 metres length respectively are prepedicular to each other. What is the distance between X and Z by the shortest route ?
1). 35 metres
2). 30 metres
3). 24 metres
4). 25 metres
A bag contains 6 red and 4 green balls. A ball is drawn at random from the bag. Find the probability that is either a red ball or a green ball.
1). 1
2). 3
3). $\frac{1}{2}$
4). 5
Let x and y be real numbers and
x = $\begin{cases}(x,y) |y = \frac{1}{2} & x \neq 0\end{cases}$
y = $\begin{cases}(x,y) |y = -x \end{cases}$ be two sets then
1). $x\bigcap y$ =x
2). $x\bigcap y$ =y
3). $x\bigcap y$ =$\phi$
4). $x\bigcup y$ =x
Expand SAARC
1). South African Association for Regional Co-operation
2). South Asian Association for Regional Co-operation
3). South African Association for Restricted Co-operation
4). South Asian Association for Regional Competition
If the roots of the quadratic equation (4 + m) + $(x)^{2}$(m + 1) x + 1=0 are equal, then the value of m Is
1). 5
2). 4
3). 2
4). None of these