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d c e a b INTRODUCTION – Problem concern An assessment by the Wildlife Institute of India states that tigers in at least 26 reserves face the destructive impact of roads and traffic. STEPS to follow to address the problem The National Tiger Conservation Authority should insist on modification of existing roads to provide crossings for animals at locations identified in various studies. More stringent steps: A more robust approach would be to realign the roads away from all such landscapes. Users can be asked to pay a small price for the protection of vital environmental features, and more areas for nature tourism can also raise revenues. What will be achieved by these steps: This would ensure that tigers and other animals are not isolated, and can disperse strong genetic traits to other populations.
Boat ‘A’ can cover 240 km in still water in 12 hours. In still water, if the ratio of the speed of boat ‘A’ to that of ‘B’ is 4:7 and the sp...
A boy can swim in water with a speed of 10 km/hr in still water. If the speed of the stream is 6 km/hr, what will be the time taken by the boy to cover ...
A boat covers 72 km upstream and 108 km downstream in 6 hours and 4.5 hours, respectively. Find the time taken by the same boat to cover 150 km in still...
Speed of a boat in still water to speed of boat in upstream is 9:5. If the boat can travel 390 km in downstream in 5 hours, then find the time taken by ...
A boat goes 40 km in upstream in 5 hours and takes 3 hours to complete a distance of 18 km in downstream. Find the speed of boat in still water.
Speed of a boat in still water to speed of boat in upstream is 10:7. If the boat can travel 390 km in downstream in 5 hours, then find the time taken by...
A boat sails 150 km in downstream direction in 5 hours. If the upstream speed is one-third of its downstream speed, calculate the time it will take to c...
A boat can cover 60 km in still water and 75 km in downstream in 4 hours and 3 hours respectively. Find the time taken by the boat to cover 60 km upstre...