Question
Find the value√(2k+11)
src="file:///C:/Users/ashut/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif" alt="" width="7" height="22" /> Â where k is the average of 36, 45, 33, 26, and 35.Solution
16, 25, 13, 26, and 15. Average (k) = (36+45+33+26 +35)/5 =175/5 =35 k =35 now √(2k+11)       = √ (2×35+11) = √81 =9
Vehicle ‘M’ is ahead of vehicle ‘N’ by 250 metres and is moving at 24 m/s. Vehicle ‘N’ is travelling at 90 km/h. If both are moving in the s...
A train crosses a man in 12 seconds and a platform 480 meters long in 36 seconds. Calculate the time (in seconds) it takes for the train to overtake a b...
Car 'E' traveling at a certain speed covered a certain distance in 5 hours. Car 'F,' which is 50% faster than Car 'E,' traveled for 4 hours and covered ...
A train runs at a speed of 54 km an hour. What is the speed in metres per second?
A boy goes to school at 10 km/Hr and return at a speed of 9 km/hr. If he takes 19 hrs in all. Find the distance from his village to school?
A cyclist has to cover 180 km. She rides the first 20% at 25 kmph, half of the distance at 30 kmph, and the remainder at 20 kmph. What is her approximat...
The distance between two stations A and B is 900 km. A train starts from A and moves towards B at an average speed of 30 km/hr. Another train starts fr...
A bike goes from City X to City Y at 45 km/h. The distance is 135 km. How much time does it take?
A car running with a speed of 61 km/hr takes 20 hours to go from 'A' to 'B'. If on the way back from 'B' to 'A', the car takes 20% less time than it tak...
- A motorbike usually covers 180 metres in 9 seconds. How much distance (in km) can the motorbike cover in 1.5 hours if it travels at 90% of its normal speed...
Relevant for Exams:
