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Mr. Arif can complete a job in 15 minutes, while Mr. Asif takes twice as long to do the same job. If they work together, how many minutes will they require to complete the job?
Created: 2 months ago |
Updated: 1 month ago
১০
12
৯
৮
Job Solution
Mercantile Bank Ltd
Mercantile Bank Ltd - Officer - 2004
গণিত
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A man has 72 green marbles and 108 red marbles. He decides to pack them into packets of the same size, each containing either all red or all green marbles. What is the greatest number of marbles he can put in each packet?
Created: 2 months ago |
Updated: 2 weeks ago
৩৬
24
১৮
৩২
None of these
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Mercantile Bank Ltd
Mercantile Bank Ltd - Officer - 24.04.2009
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A boat sails m miles upstream at the rate of r miles per hour. If the rate of the stream is s miles per hour, how long will it take the boat to return to its starting point?
Created: 2 months ago |
Updated: 2 weeks ago
m/r+2s
m/r+s
m+r/s
m+3r/s
None of these
Job Solution
Mercantile Bank Ltd
Mercantile Bank Ltd - Officer - 24.04.2009
গণিত
A wheel rotates 10 times per minute and moves 20 feet during each rotation. How many feet does the wheel move in 1 hour?
Created: 2 months ago |
Updated: 2 weeks ago
1200
600
12,000
১৮,০০০
None of these
Job Solution
Mercantile Bank Ltd
Mercantile Bank Ltd - Officer - 24.04.2009
গণিত
The average of five numbers is 25. After one if the numbers is removed, the average of the remaining is 31. What number has been removed?
Created: 2 months ago |
Updated: 2 weeks ago
৭
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৪
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None of these
Job Solution
Mercantile Bank Ltd
Mercantile Bank Ltd - Management Trainee Officer - 05.07.2013
গণিত
An ambulance travels 10 miles at a speed of 75 mi,es per hour. How fast must the ambulance travel on the return trip if the round-trip travel time is to be 20 minutes?
Created: 2 months ago |
Updated: 2 weeks ago
50 mph
55 mph
60 mph
65 mph
None of these
Job Solution
Mercantile Bank Ltd
Mercantile Bank Ltd - Management Trainee Officer - 05.07.2013
গণিত
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