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ATQ, we can say that Let, Distance travelled by ‘Swift’ = 'x' km Distance travelled by ‘Swift’ = ('x' + 400) km According to the question, Time for which 'Alto' car travelled = Time for which 'Swift' car travelled Or, (x/30) = {(x + 400)/40} Or, 4x = 3x + 1200 Or, x = 1200 The distance between Dehradun and Delhi = 1200 + 1200 + 400 = 2800 km
Numan does half as much work as Gagan in four-fifth of the time. If together they take 16 days to complete a work, how much time shall Gagan take to do it?
A man can do a piece of work in 30 hours. If he works with his son then the same piece of work is finished in 20 hours. If the son works alone he can do...
A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 12 days, and C alone in 24 days, in wha...
A can cultivate 3/5th of the land in 15 days and B can cultivate 1/4th of the land in 10 days. In how many days working together A...
The total age of 'R' and 'D' eight years ago was thirty-six. Four years separate 'R' and 'D' in age. Determine the sum of total age (in years) between '...
A can do a piece of work in 15 days while B can do it in 18 days. Starting with A, they work on alternate days till the work gets over. How many days i...
A contractor hires 12 workers to complete a project in 20 days. After 8 days, 4 more workers are employed, and the project is completed 2 days earlier. ...
A and B together can complete a task in 10 days, B and C can do in 15 days, and C and A together can do it in 12 days. How long will they take to compl...
A person from the top of a hill observes a vehicle moving towards him at a uniform speed. It takes 10 minutes for the angle of depression to change from...
In a 200 m race, P beats Q by 35 m or 7 seconds. What is P's time over the course?