Question
Two boys starts from the same place walking at the rate of 5 kmph and 5.5 kmph respectively in the same direction. What time will they take to be 8.5 km apart?
Two boys starts from the same place walking at the rate of 5 kmph and 5.5 kmph respectively in the same direction. What time will they take to be 8.5 km apart?
Answer: Option A
Was this answer helpful ?
Answer : Option A
Explanation :
Relative speed = 5.5 - 5 = .5 kmph (because they walk in the same direction)
distance = 8.5 km
$MF#%\text{time = }\dfrac{\text{distance}}{\text{speed}} = \dfrac{8.5}{.5} = 17\text{ hr}$MF#%
Was this answer helpful ?
More Questions on This Topic :
Question 3.
A thief is noticed by a policeman from a
d....
Question 4.
A walks at 4 kmph and 4 hours after his star....
Question 9.
A man performs 3/5 of the total journey by r....
Question 10.
Three persons are walking from a place A
t....
Submit Solution