Question
'P × Q' means 'P is the father of Q' 'P + Q'
means 'P is the brother of Q' 'P ÷ Q' means 'P is the son of Q' 'P – Q' means 'P is the husband of Q' How is O related to L in the expression 'O + N ÷ M – L'?ÂSolution
The correct answer is D
A man row a boat 1 km in 5 min, along the stream and 6 km in 1hrs against the stream, The speed of the stream will beÂ
Time taken by boatman to travel a distance of (d + 60) km downstream and (d + 120) upstream is 10 hours and 20 hours respectively, and the downstream sp...
The speed of a boat in still water and the speed of the stream are in the ratio 7:2. If the boat takes 12 hours to travel 240 km upstream, how long will...
The ratio of the speed of a launch in still water to the speed of the stream is 8 : 1. If the speed of the launch is increased by 25%, it takes 5 hours...
When travelling downstream, a boat takes 4.25 hours to travel 187 km. If the speed of the stream is (5/11)th of downstream speed of the boat,...
Speed of a boat in still water is 15 kmph and speed of stream is 12 kmph. A man rows to a place at a distance of 81 km and come back to starting point. ...
A boat running downstream covers a distance of 30 km in 3 hrs while it covers the same distance upstream in 5 hrs. Then speed of the boat in still water is
Speed of a boat in still water is 25% less than its downstream speed. If the upstream speed of the boat is 24 km/h, find the downstream distance covered...
The ratio of the speed of boats ‘A’ and ‘B’ in still water is 8:9, respectively. The speed of the current is 25% of the speed of boat ‘A’ in...
A boat moves downstream at 45 km/h, which is (25/10) m/s faster than its upstream speed. If it covers (D + 24) km downstream and (D - 36) km upstream in...
Relevant for Exams:
