Directly Proportional
Trending Questions
Q. Two trains start at the same time from A and B and proceed towards B and A at 36 km/h and 42 km/h, respectively. When they meet, it is found that one train has moved 48 km more than the other. Then, the distance between A and B (in km) is:
- 460
- 544
- 636
- 624
Q. Vinod and Kaurvaki start travelling in the same direction at 8 km/h and 13 km/h, respectively. After 4 h, Vinod doubled his speed and Kaurvaki reduced his speed by 1 km/h and reached the destination together. How long did the entire journey last?
- 3 h
- 6 h
- 12 h
- 9 h
Q. A train overtakes two girls who are walking in the opposite direction in which the train is going at the rate of 3 km/h and 6 km/h and passes them completely in 36 seconds and 30 seconds respectively. The length of the train (in metres) is:
- 125 m
- 120 m
- 150 m
- None of these
Q. A man travels the first part of his journey at 20 km/h and the next at 70 km/h, covering the entire journey at an average speed of 50 km/h. What is the ratio of the distace that he covered at 20 km/h to that he covered at 70 km/h?
- 3:22
- 4:21
- 1:4
- 3:5
Q. A starts driving from P to Q at 9 am and B starts driving from Q to P at 10 am. B is 50% faster than A. What is the time when they meet if P and Q are 300 km apart and A's speed is 50 km/h?
- 12:30 pm
- 12 noon
- 11:00 am
- 11:30 am
Q. A surveillance plane is moving between two fixed places Pukhwara and Kargil at 120 km/h. The distance between two places is 600 km. After 18 hours, what will be the distance between the Kargil and its position if it starts moving from Pukhwara?
- None of these
- 360 km
- 300 km
- 240 km
Q. The charges for a graphics designer is partially fixed and partially variable with the number of hours. The charge is Rs.550 for 4.5 hours and Rs.300 for 2 hours. Find the charges of 1 hour?
- 200
- 300
- 400
- 100
Q. Till the age of 21, Arun grows such that his height varies as the square root of this age. When Arun is 9 years old, his height is 4 feet. What is his height at 16 years?
- 5 feet
- none of these
- 5 feet 2 inches
- 5 feet 4 inches
Q.
Vikrant drives to office from home every day at a steady rate of x kilometers per hour. On a particular day, Vikrant car tire punctured exactly half way to office. He immediately started walking to office at a steady pace of y kilometers per hour. He arrived at office exactly t hours after leaving his home. How many kilometers is it from the office to Vikrants home?
