Bashar is twice as fast as Arif and Karim is three times as fast as Arif. If Bashar alone can complete a job in 12 days, how long will Bashar, Arif and Karim take to complete the same job together ?

A 3 days
B 4 days
C 6 days
D 8 days

Correct Answer: 4 days

বলাইচাঁদ মুখোপাধ্যায় (জন্ম: ১৯ জুলাই, ১৮৯৯ - মৃত্যু: ৯ ফেব্রুয়ারি, ১৯৭৯) একজন বাঙালি কথাসাহিত্যিক, নাট্যকার ও কবি । তিনি বনফুল ছদ্মনামেই অধিক পরিচিত। অবিভক্ত ভারতবর্ষের বিহার রাজ্যের মনিহারীতে তিনি জন্মগ্রহণ করেন।
Bissoy MCQ
#গণিত #Exim Bank Ltd #Exim Bank Ltd - Assistant Officer - 01.10.2010

Related Questions

If Arif works alone he will take 20 more hours to complete a task than if he works with Babu to complete the task. If Babu work alone, he will take 5 more hours to complete the task than if he works with Arif to complete the task. What is the ratio of the time taken by Arif to than taken by Babu if each of them works alone to complete the task?
A 2 : 1
B 5 : 3
C 7 : 5
D None of these
Arif and Babu worked together to paint a house. Arif worked for 1 hour 45 minutes and Babu worked for 45 minutes. Babu's hourly rate is double the rate of Arif's. If the two toghther earned Tk 71.50, what is hourly rate of Arif in Taka?
A 20
B 22
C 22.50
D None of these
Arif starting from x goes to Y. t the same time Boby starts from Y and goes towards X. Once Arif reaches Y, he changes his direction and returns to X. Once Boby reaches X, he changes his direction and returns to Y. Throughout the journey, Arif travels at 54 kmph and Boby travels at 72 kmph. By the time they meet for the second tike, boby covers 36 km more than Arif. Find the distance (in km) between X and Y.
A 72
B 84
C 96
D None
Karim and Bablu can build a wooden table in 3 days. Bablu can do it alone in 5 days. How many days would it take Karim to do this job alone?
A 0.2
B 7.5
C 5.0
D 6.4
Rahim has three times as much money as Karim has. If Rahim gives Karim TK.50 then Karim will have three times as much money as Rahim will have. How much money do they have together ?
A 75
B 100
C 120
D 130
Arif bought 17 pens of three colors black , green and red. They cost Tk 5,Tk 10 and Tk 25 each respectively . The total amount that Arif paid was Th 205. If Arif bought twice as many green pens as red pens ,how many black pens did buy ?
A 4
B 5
C 7
D None
A man and a boy together can complete a job in 81 days. Two men and three boys together can complete the same job in 36 days. In how many days can four men together complete the same job?
A 21
B 27
C 30
D 36
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?
A 10
B 12
C 9
D 8
Jane, Karim and Leo checked out books from the library. Jane has an even number of library books . Karim has 3 more library books than Jane . Leo has 2 more library books than Karim. Which statement is true about the number of library books Karim and Leo have ?
A Karim's number is odd, and Leo's number is odd.
B Karim's number is odd, and Leo's number is even.
C Karim's number is even, and Leo's number is odd.
D Karim's number is even, and Leo's number is even.
Karim can do a job in 15 minutes and his brother takes twice as long to do the same job. If they work together, how long it takes to complete the job?
A 5
B 7.5
C 10
D 12.5

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