Question
In a class of 25 students, a girl is ranked 10th
from top. When two girls joined, her rank was dropped by one. What is her new rank from the end?Solution
Total number of girls after 2 new girls joined=27 Since, the rank of the girl dropped by 1, it became 11. Her new rank from the end=27-11+1=17
A man rows upstream 60 km and downstream 36 km taking 12 hours each. Find the speed of current.         Â
...A boat covers a distance of 36 kilometers in still water in 24 minutes. If the current's speed is two-fifths of the boat's speed in still water, how lon...
A boat covers 32 km upstream and 40km downstream in 8 hours while it covers 40km upstream and 32 km downstream in 8.5 hours. What is the velocity of cur...
Speed of current is equal to 25% of speed of boat in still water. If the boat takes 5 hours to cover 120 km in still water, then find the time taken by ...
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A boat covers a certain distance against the stream in 9 hours 36 min and it covers the same distance along the stream in 6 hours. What is the ratio of ...
A man rows upstream 18 km and downstream 30 km taking 6 hours each. Find the man’s speed in still water.
If the sum of upstream and downstream speed is 24 km/hr and the speed of the current is 5 km/hr, then find the approximate time taken to cover 36 km dow...
A boat covers a distance of 240 km downstream in 8 hours. If the ratio of upstream speed to downstream speed of the boat is 2:5, then find the distance ...
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