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A boat takes 6 hours to move downstream from point P to Q and to return to point P moving upstream. If the speed of the stream is 4 km/hr and speed of the boat in still water is 6 km/hr, what is the distance between point P and Q?

Question A boat takes 6 hours to move downstream from point P to Q and to return to point P moving upstream. If the speed of the stream is 4 km/hr and speed of the boat in still water is 6 km/hr, what is the distance between point P and Q? Type multiple_choice Option 8 […]

A boat takes 6 hours to move downstream from point P to Q and to return to point P moving upstream. If the speed of the stream is 4 km/hr and speed of the boat in still water is 6 km/hr, what is the distance between point P and Q? Read More »

A man can row at 12 km/hr in still water. He finds that he takes twice as much time to row upstream than to row downstream when he covers a certain distance. Find the speed of the stream.

Question A man can row at 12 km/hr in still water. He finds that he takes twice as much time to row upstream than to row downstream when he covers a certain distance. Find the speed of the stream. Type multiple_choice Option 4 km/hr correct Option 3 km/hr incorrect Option 4.5 km/hr incorrect Option 3.5

A man can row at 12 km/hr in still water. He finds that he takes twice as much time to row upstream than to row downstream when he covers a certain distance. Find the speed of the stream. Read More »

A man swimming in a river which is flowing at 3 1/2 km/ hr finds that in a given time he can swim twice as far downstream as he can swim upstream. What will be his speed in still water?

Question A man swimming in a river which is flowing at 3 1/2 km/ hr finds that in a given time he can swim twice as far downstream as he can swim upstream. What will be his speed in still water? Type multiple_choice Option 9.5 km/hr incorrect Option 10 lm/hr incorrect Option 10.5 km/hr correct

A man swimming in a river which is flowing at 3 1/2 km/ hr finds that in a given time he can swim twice as far downstream as he can swim upstream. What will be his speed in still water? Read More »

A man can row a boat at a speed of 20 km/hr in still water. If the speed of the stream is 5 km/hr, in what time he can row a distance of 75 km downstream?

Question A man can row a boat at a speed of 20 km/hr in still water. If the speed of the stream is 5 km/hr, in what time he can row a distance of 75 km downstream? Type multiple_choice Option 1.5 hours incorrect Option 2 hours incorrect Option 2.5 hours incorrect Option 3 hours correct

A man can row a boat at a speed of 20 km/hr in still water. If the speed of the stream is 5 km/hr, in what time he can row a distance of 75 km downstream? Read More »

A boat covers 800 meters in 600 seconds against the stream and returns downstream in 5 minutes. What is the speed of the boat in still water?

Question A boat covers 800 meters in 600 seconds against the stream and returns downstream in 5 minutes. What is the speed of the boat in still water? Type multiple_choice Option 1 m/s incorrect Option 1.5 m/s incorrect Option 2 m/s correct Option 2.5 m/s incorrect

A boat covers 800 meters in 600 seconds against the stream and returns downstream in 5 minutes. What is the speed of the boat in still water? Read More »

A man swims 12 km downstream and 10 km upstream. If he takes 2 hours each time, what is the speed of the stream?

Question A man swims 12 km downstream and 10 km upstream. If he takes 2 hours each time, what is the speed of the stream? Type multiple_choice Option 1 km/hr incorrect Option 0.5 km/hr correct Option 1.5 km/hr incorrect Option 0.7 km/hr incorrect Solution Speed downstream = Distance/time = 12/2 = 6 km/hr Speed downstream

A man swims 12 km downstream and 10 km upstream. If he takes 2 hours each time, what is the speed of the stream? Read More »

A residential area of 20 hectares is planned for three different types of plots of 500 m2, 300 m2 and 200 m2 with numbers of plot in each category are 100, 120 and 150 respectively

Q. A residential area of 20 hectares is planned for three different types of plots of 500 m2, 300 m2 and 200 m2 with numbers of plot in each category are 100, 120 and 150 respectively. The rest of the area is allocated for roads and facilities such as schools, shops and parks. Each plot

A residential area of 20 hectares is planned for three different types of plots of 500 m2, 300 m2 and 200 m2 with numbers of plot in each category are 100, 120 and 150 respectively Read More »

A man rows downstream at 20 km/hr and rows upstream at 15 km/hr. At what speed he can row in still water?

Question A man rows downstream at 20 km/hr and rows upstream at 15 km/hr. At what speed he can row in still water? Type multiple_choice Option 17.5 km/hr correct Option 18 km/hr incorrect Option 20.5 km/hr incorrect Option 22 km/hr incorrect Solution Apply formula: Speed in still water 1/2 (speed downstream + speed upstream) Speed

A man rows downstream at 20 km/hr and rows upstream at 15 km/hr. At what speed he can row in still water? Read More »

A public utility building of 5000 m2 was constructed 5 years before, on a site of 1 hectare. The present value of open land in that location is Rs. 100/m2 and present construction

Q. A public utility building of 5000 m2 was constructed 5 years before, on a site of 1 hectare. The present value of open land in that location is Rs. 100/m2 and present construction cost of such building is Rs. 2500/m2. If the value of the building is assumed to be depreciating at a constant

A public utility building of 5000 m2 was constructed 5 years before, on a site of 1 hectare. The present value of open land in that location is Rs. 100/m2 and present construction Read More »

If it was Wednesday on March 1, 2006, which day was it on March 1, 2002?

Question If it was Wednesday on March 1, 2006, which day was it on March 1, 2002? Type multiple_choice Option Tuesday incorrect Option Friday correct Option Monday incorrect Option Sunday incorrect Solution Total number of odd days between the years 2002 and 2006 = (2006 – 2002) + 1 = 5 odd days. The year

If it was Wednesday on March 1, 2006, which day was it on March 1, 2002? Read More »