Raj travels a distance of one kilometre ...

Raj travels a distance of one kilometre at a speed of 1 m/s and 4 km at a speed of 30 km/h. Find the total time taken to cover the entire distance (in seconds).

1480

900

950

1050

Text Solution

Verified by Experts

The correct Answer is:

Time taken to cover 1 km =`1000 divide 1 = 1000 s.`
Time taken to cover 4 km = `(4000)/(30 xx (5)/(18))`s
= 480 s
Total time taken by him = 1000 + 480 = 1480 s.
Hence, the correct option is (a).

Topper's Solved these Questions

RATIO AND ITS APPLICATIONS
PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS (TEST 1)|12 Videos
RATIO AND ITS APPLICATIONS
PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS (TEST 2)|12 Videos
RATIO AND ITS APPLICATIONS
PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL 2)|26 Videos
NUMBER SYSTEM
PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS|24 Videos
Set theory
PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TEST Test 2|12 Videos

Similar Questions

Explore conceptually related problems

A scooter travels some distance at a speed of 12 km/hr and returns at a speed of 7 km/hr. If the total time taken by the scooter is 19 hours, then what is the distance (in km)?

A car travels a distance of x km at a speed of 5(5)/(9) m/s and returns at a speed of 5 m/s to the starting point. If the total time taken by the car is 3 (1)/(6) hours, then the value of x is:

A man travels 200 km distance with the speed of 40 m/s and next 50 km with the speed of 10 m/s . Find the average speed of man.

A bus covers a distance of 400 km with a speed of 20 km/h. What time is taken by the bus to cover this distance?

A car travelled the first third of a distance (x) at a speed of 10 km//h , the second third at a speed of 20 km//h and the last third at a speed of 60 km//h . Determine the average speed of the car over the entire distance (x).

A train covers a distance of 200 km with a speed of 10 km/h. What time is taken by the train to cover this distance?

PEARSON IIT JEE FOUNDATION-RATIO AND ITS APPLICATIONS-CONCEPT APPLICATION (LEVEL 3)

If a/b=x/y=p/q then (6a+9x+2p)/(6b+9y+2q)=
Text Solution
|
The income of a person A increases from Rs. 12,000 to Rs. 14,000 and t...
Text Solution
|
Twelve persons can make 360 toys in 8 days. If three more persons join...
Text Solution
|
In how many years will a certain sum becomes five times itself at 20% ...
Text Solution
|
A can do (1)/(10) th of a piece of work in a day. B can do the same wo...
Text Solution
|
X can construct a wall in 2 days. Y can construct it in 3 days and Z c...
Text Solution
|
Two pipes P(1) " and " P(2) can fill a tank in 8 h and 5 h, respectiv...
Text Solution
|
A pipe can fill an empty tank in 8 h. After it is kept open for 2 h, a...
Text Solution
|
Raj travels a distance of one kilometre at a speed of 1 m/s and 4 km a...
Text Solution
|
Teena takes 12 h to go from her city to another city by train. If she ...
Text Solution
|
Mohan takes 15 min to go a market and 200s to go to a bus stop travell...
Text Solution
|
A train crosses a post in 10 s when it is travelling at 72 km/h. Find ...
Text Solution
|
A 150 m long train crosses a platform in 15s. What is the length of th...
Text Solution
|
A train overtakes a person walking at 1 m/s in 5 s. If the speed of ...
Text Solution
|
Two trains travelling in opposite direction at 60 kmph and 50 kmph c...
Text Solution
|
Two trains are travelling in opposite direction at 72 km/h and 90 km/h...
Text Solution
|
Two pipes P(1) " and " P(2) can fill a tank in 6 h and 3 h, respectiv...
Text Solution
|
In a class, there are 30 boys and 20 girls. The average weight of 30 b...
Text Solution
|
Radha takes 4 h to travel from her village to her friends's city by bu...
Text Solution
|
A pipe can fill an empty tank in 12 h. After it is kept open for 3 h, ...
Text Solution
|