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Posted on January 25, 2017 at 6:48am 0 Comments 2 Likes
1. Speed of a man in still water is 5 km/hr and the river is running at
3km/hr. The total time taken to go to a place and come back is 10
hours. What is the distance travelled?
A.10 km
B.16 km
C.24 km
D.32 km
E.36 km
Answer & Explanation
Answer – D.32 km
Explanation :
Down speed= 5+3= 8
Up speed= 5-3=2
Let distance travelled = X
(X/8)+(X/2)= 10
X= 16 km
Total distance is 16+16=32
2. A boat running upstream…
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