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22 Jun 2016, 03:09
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Danny and Steve are running towards each other, each one from his own house. Danny can reach Steve's house in 25 minutes of running, which is half the time it takes Steve to reach Danny's house. If the two started to run at the same time, how much time longer will it take Steve to reach the halfway point between their houses than Danny to reach the halfway point between their houses?
A. 12.5 minutes.
B. 25 minutes.
C. 35 minutes.
D. 50 minutes.
E. 75 minutes.
A. 12.5 minutes.
B. 25 minutes.
C. 35 minutes.
D. 50 minutes.
E. 75 minutes.
22 Jun 2016, 03:15
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To reach Halfway steve would need 25 Mins
To reach halfway danny would need 12.5 Mins
Difference = 25-12.5 = 12.5 Mins
Answer is A ... correct?
To reach halfway danny would need 12.5 Mins
Difference = 25-12.5 = 12.5 Mins
Answer is A ... correct?
22 Jun 2016, 04:33
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Bunuel
Danny and Steve are running towards each other, each one from his own house. Danny can reach Steve's house in 25 minutes of running, which is half the time it takes Steve to reach Danny's house. If the two started to run at the same time, how much time longer will it take Steve to reach the halfway point between their houses than Danny to reach the halfway point between their houses?
A. 12.5 minutes.
B. 25 minutes.
C. 35 minutes.
D. 50 minutes.
E. 75 minutes.
A. 12.5 minutes.
B. 25 minutes.
C. 35 minutes.
D. 50 minutes.
E. 75 minutes.
If the distance between the two houses is D. Then
Speed of Danny = (D/25)
Speed of Steve = (D/50) [ Steve takes 50 minutes to reach Danny's house. double the time taken by Danny)
Obviously speed of Danny is Twice that of Steve.
Now in order to cover distance (D/2) [They meet in middle], Steve will take:
(D/2) / (D/50) = 25 minutes.
Distance is same and Danny's speed is twice of Steve. Thus he will take 12.5 minutes to cover this same distance.
Steve take 25-12.5 = 12.5 minutes longer.
A is the answer.
