A train 240 meters in length crosses a telegraph post in 16 seconds. The speed of the train is?
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A missile travels at 1260 km/h. How many metres does it travel in one second?
If 2r = h + r2+h2, then the ratio of r:h is
The length and breadth of a rectangle are 24 cm and 7 cm respectively. Calculate its perimeter (in cm).
If x + y = 10 and xy = 4, then what is the value of x4 + y4?
Speeds of a boat along the current and against the current are 14 km/hr and 7 km/hr respectively. What is the speed of boat (in km/hr) in still water?
Ankit scored 32, 45 and 49 marks in Physics, English and Philosophy respectively. The maximum marks in each subject is 50. Determine his overall percentage for the three subjects.
What is the sum of a3+b3+c3-3abc, when the value of a=4, b=2 and c=-6?