826 . A collection of books went on sale and 2/3 of these were sold Tk. 2.30 each. If none of the 36 remaining books that were sold?
  • A. Tk. 180
  • B. Tk. 135
  • C. Tk. 90
  • D. Tk. 60
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827 . A collection of books went on sale and two-third of them was sold for Tk 2.30 each. If none of the 36 remaining books were sold, what was the total amount received for the books that were sold?
  • A. Tk 180
  • B. Tk 135
  • C. Tk 90
  • D. Tk 60
  • E. None of these
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828 . a collection of unproccssed items is
  • A. information
  • B. data
  • C. memory
  • D. reports
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Sonali Bank Ltd. Senior Officer Recruitment 01.06.2018
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829 . A committee of 5 members is to be formed out of 3 trainees, 4 professors and 6 research associates. In how many different ways can this be done if the committee should have 2 trainees and 2 research associates?
  • A. 9
  • B. 15
  • C. 45
  • D. 60
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830 . A company increases every year salary of an officer by 20%. His salary in the year was Tk.26640. What was his salary in 1999?
  • A. Tk.20000
  • B. Tk.19028
  • C. Tk.18500
  • D. Tk.18840
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Sonali-Janata-Agrani &amp-Rupali Bank Ltd. &amp-RAKUB Officer Recruitment 28.03.2008
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831 . A company makes a profit of 5% in its first TK. 1000 of sales each day , and 4% on all sales in excess of TK. 1000 for that day . What would be the profit of the company in day when sales are TK. 6000 ?
  • A. 200
  • B. 225
  • C. 250
  • D. 255
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832 . A Company makes a profit of 6% on its first Tk. 10,000 of sales day and 5% on all sales in excess of Tk. 10,000 for that day. How much taka in profit will the company make in a day when sales are Tk 6,0000?
  • A. 2500
  • B. 3000
  • C. 3100
  • D. none of these
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833 . A company makes a profit of 7% selling goods which cost Tk.2000; it also makes a profit of 6% selling a machine that cost the company Tk.5000. How much total profit did the company make on both transactions?
  • A. Tk.300
  • B. Tk.400
  • C. Tk.420
  • D. Tk.440
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Sonali-Janata-Agrani &amp-Rupali Bank Ltd. &amp-RAKUB Officer Recruitment 28.03.2008
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834 . A computer can perform 30 identical tasks in 6 hour. At that rate, what is the minimum number of computers that should be assigned to complete 80 of the tasks within 3 hours?
  • A. 12
  • B. 7
  • C. 6
  • D. 16
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835 . A computer takes 50 nanoseconds to do an addition. How many additions can it do in 1 second?
  • A. 2 billion
  • B. 25 million
  • C. 20 billion
  • D. 35 million
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836 . A container holds 4 quarts of alcohol and 4 quarts of water. How many quarts of water must be added to the container to create a mixtore that is 3 parts alcohol to 5 parts water by volume ?
  • A. 4/3
  • B. 5/3
  • C. 7/3
  • D. 8/3
  • E. None
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837 . A contractor employs 60 person for doing a job in 80 days. After 20 days it was found that only one-fifth of work was finished.How many more persons are to be employed to finish the job as per schedule?
  • A. 20
  • B. 80
  • C. 60
  • D. 40
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838 . A cricketer whose bowling average is 12.4 runs per wicket takes 5 wickets for 26 runs and thereby decreases his average by 0.4. The number of wickets taken by him till the last match was-
  • A. 64
  • B. 72
  • C. 80
  • D. 85
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839 . A culprit was spotted by a policeman from a distance of 250 meter. When the policeman started running towards the culprit at a speed of 10 km/h, the culprit also fled. If his speed was 8 km/h, find how far the culprit had run before he was overpowered.
  • A. 1km
  • B. 1.5 km
  • C. 2 km
  • D. 0.8 km
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840 . A cyclist travels x miles in w hours and z minutes. What is the cyclist's speed in miles per hours and z minutes. What is the cyclist's speed in miles per hour?
  • A. (60w+z)/x
  • B. 60x/(w+z)
  • C. w+z/x
  • D. 60x/(60w+z)
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