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Time speed, work, Alligations and mixtures problems

Discuss Time speed, work, Alligations and mixtures problems within the Quant forums, part of the CAT, XAT, MAT, CET, JMET and other Indian MBA Entrance Exams category; Time speed, work, Alligations and mixtures problems -------------------------------------------------------------------------------- Questions on time speed distance. 1. Trains are moving from A to ...

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Time speed, work, Alligations and mixtures problems - July 19th, 2007

Time speed, work, Alligations and mixtures problems
--------------------------------------------------------------------------------

Questions on time speed distance.

1. Trains are moving from A to B and B to A at regular interval of 1hr. They complete their journey in 5 hr. How many trains comming from station B will cross the train comming from station A that started at 10am??Assume the trains starts from both the stations at the same time.


Alligations and Mixtures
--------------------------

1. How do we identify what are weights and what are quantities in certian problems where time and speed are considered??

2. A mixture of certain quantity of Milk with 16L of water worth 90 paise per litre. If pure milk costs 108 paise per litre, what is the amount of milk in the mixture?
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Deepak Narayanan
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Re: Time speed, work, Alligations and mixtures problems - July 19th, 2007

Hi,
For the milk and water Q.I tink the ans is 80L is milk is mixed with 16L of water.Please take a look at the diagram below

X
= 16L
108 0

90

90 18
5:1.

So from the above diagram the value of X will be 80L.So 16L of water is added to 80L of pure milk to make the combination work.Hope it makes things clear.


-Deepak.
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Re: Time speed, work, Alligations and mixtures problems - January 17th, 2016

A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:
A. 35.55 km/hr
B. 36 km/hr
C. 71.11 km/hr
D. 71 km/hr
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