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Numerical Ability
Time Distance and Speed
2 friends X & Y walk from A to B at a distance of 39 miles at 3 miles/hr and 3.5 miles/hr respectively. Y reaches B, returns immediately and meets X at ‘C’ . find distance from A to C.
A. 38 km
B. 39 km
C. 35 km
D. 36 km
E. 34 km
Read Solution (Total 2)
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- Since the time of meeting will be same. Set the equation for time as equal.
---------------39---------------
A*...................C*...........*B
-----(39-x)-------|----x------
At C,
T(A)=T(B)
((39-x)/3)=((39+x)/3.5)
Solve for x. and subtract x from 39 to get the answer.
answer is 39-3=36km. - 11 years agoHelpfull: Yes(7) No(5)
- How do we solve this question using relative speed
- 8 years agoHelpfull: Yes(3) No(0)
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