top button
Flag Notify
    Connect to us
      Facebook Login
      Site Registration Why to Join

    Get Free Puzzle Updates

Facebook Login
Site Registration

Can you calculate the time A takes in the same journey that C covered in 42 min ?

0 votes
59 views

A is twice as fast as B and B is thrice as fast as C is.
Can you calculate the time A takes in the same journey that C covered in 42 min ?

posted Dec 4, 2014 by Aman

Share this puzzle
Facebook Share Button Twitter Share Button Google+ Share Button LinkedIn Share Button Multiple Social Share Button

2 Answers

+1 vote
 
Best answer

Let C's speed = x kmph,
B's speed = 3x kmph
& A's speed = 6x kmph

therefore Ratio of speeds of A, B, C = 6x :3x : x = 6:3:1

Ratio of times taken = 1/6 : 1/3 : 1 = 1 : 2 : 6
If C takes 6 min, A takes 1 min
If C takes 42 min, A takes (1/6 * 42) min = 7 min

answer Dec 5, 2014 by Salil Agrawal
+2 votes

Ans: 7 mins...
Speed is inversely proportional to time

answer Dec 4, 2014 by Swapnil Morankar



Similar Puzzles
0 votes

8 woman and 12 men complete a certain piece of work in 9 days. Each woman takes twice the time taken by a man to finish the work. In how many days will 12 men finish the same work

0 votes

A car starts from rest and accelerates uniform upto speed 90 km/hrs in 5 sec.
What will be the total distance covered by car in this time ?

0 votes

Two taps can separately fill a cistern in 10 min. and 15 min. respectively and when the waste pipe is open, they can together fill it in 18 min. How much time full cisterm can be emptied by the waste pipe?

+1 vote

Dhoni can do a piece of work in 80 days. He works at it for 10 days and then Virat alone finishes the work in 42 days.
How many number of days would be taken by the two together to finish the work.

Contact Us
+91 9880187415
sales@queryhome.net
support@queryhome.net
#280, 3rd floor, 5th Main
6th Sector, HSR Layout
Bangalore-560102
Karnataka INDIA.
QUERY HOME
...