Two persons A and B move in the opposite directions from the same point with 10 miles in 2 hrs, and 6 miles in 2hrs respectively, after 4min what is distance between them

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sushantho

  • Mar 9th, 2006
 

Answer:it will be 8/15 miles.Relative Velocity 8 miles.Per one hour 8 miles. So, for 4 min (1/15 hours) distance between them will be 8*1/15 = 8/15 miles....

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NAND

  • Mar 18th, 2006
 

The answer is 0.53 miles.

because, A is moving at a speed of 10 miles in 2 hrs, so in 4 min he will travel 0.33 miles.

and B will cover another 0.2 mile in 4 min., as he is travelling with a speed of 6 miles per 2 hrs.

therefore distance between them is 0.33+0.2=0.53 miles

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Naveen Kumar Tiwari

  • Apr 20th, 2006
 

first person goes 10 miles in 120 minutes

he will go 10/120in 1 minute and 10/120*4=10/30 mile in4 minute

same as for second person he will go 6/120*4=6/30 miles in 4 minute

so distance between them is 10/30+6/30=16/30=.533 miles

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Ritesh

  • Aug 26th, 2006
 

u ppl have calculated all the distances not thking tht the person has alraedy travelled for 2hrs. so acc to me add 2 hrs distance to u r ans.. i.e. 10+6+.33+.2=16.53

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satya1288

  • Jan 20th, 2008
 

Person A moves at 10/120 miles/min
Person B moves at 6/120 miles/min

After 2 hrs, the distance b/w them is 6+10=16miles
After the next 4min, the distance is

                  16+ (10/120)*4  +(6/120)*4
                 =16+(1/3)+(1/5)
                 =16 + 8/15
                  =16.533

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