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It depends on income. If income is so low that we can’t get optional amount of X then only X and if income is enough to consume both goods at optimal level then we can consume both. They can be equal when income is such that we are consuming optional X, which is matching with optimal Y. Hence the option cannot say is correct.
Speed of a motorboat in still water is 45 km per hour if the motorboat travels 80 km along the stream in 1 hour 20 minutes, then the time taken by it to...
A man can row 16 km/hr in still water. It takes him thrice as long to row up as to row down the river. Find the speed of the man against the current.
A boy can swim a certain distance downstream in 6 hours and return in 7 hours. If the rate of stream is 3 kmph then what is the speed of boy in still wa...
A boat takes 7 hours to cover 266 km upstream and 9 hours to cover 468 km downstream. Find the time taken by the boat to cover 528 km upstream and 540 k...
The speed of current is 18 km/hr. If the speed of the boat in still water had been 7 km/hr more than the original speed, then it would take 8 hours to c...
The speed of a boat in still water is 6 km/hr more than that of the current. The time taken by the boat to cover 825 km downstream is 16.5 hours. Find t...
A boat traveled 100 km downstream. The boat's speed in still water is 30 km/h, and the stream's speed is 10 km/h. Calculate the time required for the bo...
A boat travels in a river where the current flows at a speed of 5 km/h. The total time taken by the boat to go from point 'P' to ...
The speed of a boat in downstream is 20% more than speed of boat in still water. If the boat travels a distance of 90 km upstream in 15 hours then find...
Find the total distance covered by boat in each upstream and downstream in 6 hours if the speed of boat in still water and speed of current is 15 km/h a...