quantitative aptitude

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 […]

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

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

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

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

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

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

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

Question It was Saturday on January 1, 2005. Find the day of the week on January 1, 2010. Type multiple_choice Option Tuesday incorrect Option Friday correct Option Wednesday incorrect Option Sunday incorrect Solution On December 31, 2004, it was Friday. Number of odd days from the year 2005 to the year 2009 = 1+1+1+2(leap year)

Question The day on 5th April of a year will be the same day on 5th of which month of the same year? Type multiple_choice Option 5th July correct Option 5th August incorrect Option 5th June incorrect Option 5th October incorrect Solution April & July for all years have the same calendar. So, a day on any date of April will