The downstream speed of a boat is 4 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream ...
If both the equations I and II given below are added, then find the product of roots of newly formed equation.
I: 3x2 + 9x + 5
...
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 28 seconds and 18 seconds respectively. It took 24...
If x and y are the roots of x2 + x + 3 = 0, then (x11 + y11)/(x-11 + y-11) is equal to:
The ratio between the speed of a bus and train is 15:27 respectively. Also, a car covered a distance of 720 km in 9 hours. The speed of the bus is three...
Which of the following is the justification that aligns text on both margins of a document in Word?
A and B are the roots of equation x2 - 13x + k = 0. If A - B = 5, what is the value of k?
In which of the following group, Header and Footer can be found on the insert button while using PowerPoint?
A train of length 260 m crosses another train of length 120 m running is opposite direction in 5 sec. If speed of longer train is 90 km/h, then in what ...
The main folder on a storage device is known as
