Combined 4 Bank Officer (General) 2019 Exam and Solution

৪১। The average weight of 17 students is 90 kg. If the weight of teacher is also included, then the average weight is increased by 200 grams. Find the weight of the teacher?
(ক) 93.6 kg
(খ) 94 kg
(গ) 93.4 kg
(ঘ) 94.6 kg
উত্তরঃ ক। 93.6 kg

৪২। A train can cross another train of equal length coming from the opposite direction with the speed of 108 km/h in 3 minutes. The speed of the other train is 90 km/h. Find the length of the train.
(ক) 5940 m
(খ) 5490 m
(গ) 4950 m
(ঘ) 4590 m
উত্তরঃ গ। 4950 m

৪৩। A can complete a piece of work in 12 days, A, B and C can complete the work in 6 days. Efficiency of B is 0.5 times the efficiency of A. In how many days C can complete the work alone?
(ক) 24 days
(খ) 10 days
(গ) 16 days
(ঘ) 12 days
উত্তরঃ ক। 24 days

৪৪। A shopkeeper sold an item at 20% profit and another item at 10% loss. If the cost price of both the items is same, find the overall profit percent.
(ক) 7.55%
(খ) 6.00%
(গ) 5.00%
(ঘ) 6.50%
উত্তরঃ গ। 5.00%

৪৫। 8 males and 6 females can do a piece of work in 5 days. 5 males and 6 females can complete the same work in 7 days. How many days will a female take to do the job, if she works alone?
(ক) 135 days
(খ) 142 days
(গ) 110 days
(ঘ) 126 days
উত্তরঃ ঘ। 126 days

৪৬। A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?
(ক) 13 days
(খ) 15 days
(গ) 10 days
(ঘ) None of these
উত্তরঃ ক। 13 days

৪৭। The area of lawn is 460 m2. If the length is 15 percent more than the breadth of the rectangular field. What is the length of the field?
(ক) 15 m
(খ) 26 m
(গ) 34.5 m
(ঘ) None of these
উত্তরঃ ঘ। None of these

৪৮। A boat can travel from point A to point B and return back to point A in 9 hours. Speed of the boat in still water is 8 km/h and the speed of the stream is 4 kmh. Find the distance between A and B.
(ক) 18 km
(খ) 27 km
(গ) 36 km
(ঘ) 45 km
উত্তরঃ খ। 27 km

৪৯। A 10% monthly salary increase resulted in a tk. 9000 per year increase in salary for an employee. What was his monthly salary before the increase?
(ক) Tk.5000
(খ) Tk.9000
(গ) Tk.7500
(ঘ) Tk. 12000
উত্তরঃ গ। Tk.7500

৫০। When a certain number is divided by 7, the remainder is 0, if the remainder is not 0 when the number is divided by 14, then the remainder must be
(ক) 7
(খ) 5
(গ) 3
(ঘ) 8
উত্তরঃ ক। 7

৫১। A mixture of 20 kg of sprit and water contains 10% water. How much water must be added to this mixture to raise the percentage of water to 25%?
(ক) 2
(খ) 4
(গ) 5
(ঘ) 6
উত্তরঃ খ। 4

৫২। X and Y start a business by investing a certain amount in the ratio 9:16. Both of them invest for an equal period of time. At the end of the term, X’s share of profit is what percent less than that of Y?
(ক) 62 ½
(খ) 60
(গ) 55 2/3
(ঘ) 43 3/4
উত্তরঃ ঘ। 433/4

৫৩। The average attendance of a college for the first three days of a week is 325 and first four days is 320. How many were present on the fourth day?
(ক) 300
(খ) 315
(গ) 305
(ঘ) 350
উত্তরঃ গ। 305

৫৪। Tk. 355 has been divided among A, B, C in such a way that A had Tk. 20 more than B and C had Tk.15 more than A. How much was C’s share?
(ক) Tk. 135
(খ) Tk. 100
(গ) Tk. 120
(ঘ) Tk. 150
উত্তরঃ ক। Tk. 135

৫৫। If 2 kg of metal, of which 1/3 is zinc and the rest is copper, be mixed with 3 kg of metal, of which ¼ is zinc and the rest is copper, then what will be the ratio of zinc to copper in the mixture?
(ক) 13:42
(খ) 19:43
(গ) 15:42
(ঘ) 17:43
উত্তরঃ ঘ। 17:43

৫৬। By what percentage above the cost price, a fan should be sold if a shopkeeper wants to make a profit of Tk. 500 and the marked price of the article is Tk 6000 which is 50% above the cost price?
(ক) 25.0%
(খ) 12.5%
(গ) 20.0%
(ঘ) None of these
উত্তরঃ ক। 25.0%

৫৭। Out of two numbers, 4 times the smaller one is less than 3 times the larger one by 5, If the sum of the numbers is larger than 6 times their differences by 6, find the two numbers.
(ক) 55 and 58
(খ) 23 and 28
(গ) 59 and 43
(ঘ) 65 and 67
উত্তরঃ গ। 59 and 43

৫৮। The sum of the squares of three numbers is 532 and the ratio of the first and the second as also of the second and the third is 3:2. Then the first number is
(ক) 18
(খ) 6
(গ) 12
(ঘ) 20
উত্তরঃ ক। 18

৫৯। Pipe P can fill an empty tank in 4 hours but pipe Q can completely empty the same tank in 8 hours. Both the pipes were opened alternately after every two hours starting with pipe P then in how many hours, the tank was completely filled?
(ক) 6 hours
(খ) 5 hours
(গ) 10 hours
(ঘ) 12 hours
উত্তরঃ গ। 10 hours

৬০। The average age of A, B and C is 30 years. If the difference between B’s age and A’s age is same as the difference between C’s age and B’s age. If D is 40 years older than B then what is the sum of the age of B and D?
(ক) 130 years
(খ) 60 years
(গ) 75 years
(ঘ) 100 years
উত্তরঃ ঘ। 100 years

৬১। Which of the following companies has recently launched e-commerce platform for handloom weavers?
(ক) Apple
(খ) Google
(গ) Microsoft
(ঘ) Facebook
উত্তরঃ গ। Microsoft

৬২। Which of the following cities has recently hosted the World Economic Forum (WEF) 2019 annual meet?
(ক) Davos
(খ) Paris
(গ) London
(ঘ) Madrid
উত্তরঃ ক। Davos

৬৩। Which one of the following has recently been named as 1st World Capital of Architecture for 2020?
(ক) Tokyo
(খ) Beijing
(গ) England
(ঘ) Rio de Janeiro
উত্তরঃ ঘ। Rio de Janeiro

৬৪। Which of the following cities has recently hosted Arab Economic and Social Development Summit?
(ক) Dubai
(খ) Beirut
(গ) Muscat
(ঘ) Doha
উত্তরঃ খ। Beirut

৬৫। Which one of the following is an example of non-renewable resources?
(ক) Wind
(খ) Water
(গ) Coal and minerals
(ঘ) All of these
উত্তরঃ গ। Coal and minerals

৬৬। Where is Lake Superior, the largest fresh water lake in the world located?
(ক) USA
(খ) Brazil
(গ) Canada
(ঘ) Russia
উত্তরঃ গ। Canada

৬৭। The humidity of air measured in percentage is called
(ক) Absolute humidity
(খ) Relative humidity
(গ) Specific humidity
(ঘ) All of these
উত্তরঃ খ। Relative humidity

৬৮। The part of Equatorial region which has well developed rubber plantations is
(ক) Amazon basin
(খ) Indonesia
(গ) Zaire basin
(ঘ) Malaysia
উত্তরঃ ঘ। Malaysia

৬৯। The study of population is known as
(ক) Demography
(খ) Climatology
(গ) Petrology
(ঘ) Hydrology
উত্তরঃ ক। Demography

৭০। The device used for measuring altitudes is
(ক) Ammeter
(খ) Altimeter
(গ) Audiometer
(ঘ) Audiometer
উত্তরঃ খ। Altimeter

৭১। __ are introduced in Fourth Generation Computers:
(ক) Microprocessors
(খ) Vacuum Tubes
(গ) Integrated Circuits
(ঘ) None of these
উত্তরঃ ঘ। None of these

৭২। Which one is called the brain of computer?
(ক) RAM
(খ) ALU
(গ) CPU
(ঘ) None of these
উত্তরঃ গ। CPU

৭৩। Which of the following is not an input device?
(ক) Plotter
(খ) Keyboard
(গ) Scanner
(ঘ) All of these
উত্তরঃ ক। Plotter

৭৪। Which one is the largest space?
(ক) Gigabyte
(খ) Petabyte
(গ) Terabyte
(ঘ) None of these
উত্তরঃ খ। Petabyte

৭৫। Every computer connected to the Internet is identified by a unique four-part string, known as
(ক) Host name
(খ) Domain name
(গ) IP address
(ঘ) All of these
উত্তরঃ গ। IP address

৭৬। The rectangular area of the screen that displays a program, data and/or information is a
(ক) Title bar
(খ) Button
(গ) Dialog box
(ঘ) Window
উত্তরঃ ঘ। Window

৭৭। What is a default file extension for all word documents?
(ক) DOC
(খ) FIL
(গ) WRD
(ঘ) TXT
উত্তরঃ ক। DOC

৭৮। Excel workbook is a collection of –
(ক) Chart
(খ) Worksheet
(গ) Word book
(ঘ) None of these
উত্তরঃ খ। Worksheet

৭৯। In a spreadsheet program the _______contains related worksheets and documents.
(ক) Column
(খ) Formula
(গ) Workbook
(ঘ) All of these
উত্তরঃ গ। Workbook

৮০। =SUM(B1:B8) is an example of a
(ক) Function
(খ) Cell address
(গ) Value
(ঘ) Formula
উত্তরঃ ঘ। Formula