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A person covers the first 176 kilometers at a speed of 16 kilometers/hour and the next 64 kilometers at a speed of 32 kilometers/hour. What would be the approximate average speed for the first 240 kilometers of the journey? A. 13 Km/h B. 27 Km/h C. 18.5 Km/h D. 21 Km/h
X lives 4 kilometers due west of Y's house. Z lives 6 kilometers due north of Y's house and 4 kilometers due west of T's house. What is the straight-line distance in kilometers from X's house to T's house?
Jamil lives 4 kilometers due west of Rehana's house. Ajit lives 6 kilometers due north of Rehana's house and 4 kilometers due west of john's house. What is the straight line distance in kilometers from Jamil's house to John's house?
Azman travels 20 kilometers towards north, then 30 kilometers towards east, and then 20 kilometers towards north. How many kilometers is he now from the starting point?
A boat travels 60 kilometers downstream and 20 kilometers upstream in 4 hours. The same boat travels 40 kilometers downstream and 40 kilometers upstream in 6 hours. What is the speed (in km/hr) of the stream?
The question below is followed by three statements I, II, and III. You have to determine whether the data given is sufficient for answering the question. You should use the data and your knowledge of mathematics to choose the best possible answer. The river flows towards the city P from city Q. The distance between City P and City Q is 360 km. Two boats A and B run daily from city P and Q respectively at the same time and come back. Find the time when they meet the second time. Statement I: Boat A can cover 120 kilometers distance in 360 minutes in still water. Statement II: Boat B can travel 120 kilometers distance in 450 minutes in still water. Statement III: Boat B can cover 360 kilometers against the flow of the river in 1800 minutes.
Consider the following statements regarding ICAO recommendation for correction to basic runway length of these statements
1. The basic runway length should be increased at the rate of 7 percent per 300 m rise in elevation above the mean sea level.
2. The basic runway length after having been corrected for elevation should be further increased at the rate of 1 percent for every 1°C rise in airport reference temperature above the standard atmospheric temperature at that elevation.
3. The runway length after having been corrected for elevation and temperature should be further increased at the rate of 20% for every 1 percent of effective gradient.
A car travels 180 km from A to B at 60 kilometers per hour and returns from B to A along the same route at 90 kilometers per hour. The average speed, in kilometers per hour, for the round trip is :
Mahesh travel at the speed of 15 km/h for first 15 kilometers, Speed of 30 Km/h for next 30 kilometers and at the speed of 45 Km/h for the next 45 kilometers. If Mahesh travels nonstop during the trip then find the average speed of the Mahesh for the whole trip?
Ram traveled 12 kilometers southward, then turned right and traveled to 10 kilometers, then turned right and traveled 12 kilometers. How far was Ram from the starting point?