Question
With an average speed of 50km/h, a train reaches its
destination in time. If it goes with an average speed of 40km/h, it is late by 30 minutes to reach its destination. What is the length of the total journey?Solution
The correct answer is A
Which of the following is the justification that aligns text on both margins of a document in Word?
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
...
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...
Two places X and Y are 450 km apart. A truck leaves place X from place Y and at the same time another truck leaves place Y to X. Both the men meet 9 hou...
If x and y are the roots of x2 + x + 3 = 0, then (x11 + y11)/(x-11 + y-11) is equal to:
The main folder on a storage device is known as
If the product of roots of equation x2 - 3(2p+4)x + (p2 - 24p + 145) = 0 is unity, then 'p' can take the values as
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 question consists of four statements: I, II, III and IV given below it. You have to decide whether the data given in which of the following statemen...
A and B are the roots of equation x2 - 13x + k = 0. If A - B = 5, what is the value of k?
