1.2 km
1.8 km
2.4 km
3.6 km
The speed of a boat in still water is 10 km/hr. If it can travel 26 km downstream and 14 km upstream in the same time, the speed of the stream is
The speed of a car increases by 2 kms after every one hour. If the distance travelling in the first one hour was 35 kms. what was the total distance travelled in 12 hours?
The speed of a current is 5 km/hr and a mans speed against the current is 18 km/hr. So the mans speed with the current is ?
The speed of a motor boat itself is 20 km/h and the rate of flow of the river is 4 km/h. Moving with the stream the boat went 120 km. What distance will the boat cover during the same time going against the stream?
The speed of a motor-boat is that of the current of water as 36:5. The boat goes along with the current in 5 hours 10 minutes. It will come back in:
The speed of the train going from Nagpur to Allahabad is 100 km/h while when coming back from Allahabad to Nagpur, its speed is 150 km/h. find the average speed during whole journey.
The square of a number greater than 1000 that is not divisible by three, when divided by three, leaves a remainder of
The square of a positive number is 2000% greater than the number itself, then the square of that number is :
The square root of ((10 + √25)(12 - √49)) is
The sum of ages of 4 children born at intervals of 4 years each is 60. What is the age of the youngest child?
