766 . A car travels at the rate of 50 miles per hour. How many minutes will it take to travel 2/5 miles at this speed?
  • A. 0.48
  • B. 2.4
  • C. 4.8
  • D. 2.2
  • E. None of these
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767 . A car travles 180 km from A to B at 60 kilometers/hour and returns from B to A along the same route at 90 kilometers/hour. The average speed in kilometers per hour for the round trip is:
  • A. 72
  • B. 36
  • C. 180
  • D. 30
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768 . A car-wash can wash 8 cars in 18 minutes. At this rate, how many cars can the car-wash in 3 hours ?
  • A. 13
  • B. 40.5
  • C. 80
  • D. 125
  • E. 405
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Bangladesh Bank - Officer(Cash) - 2011
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769 . A car wash center washes 10 cars in half an hour. At this rate how many cars can it wash in 4 hours?
  • A. 60
  • B. 20
  • C. 96
  • D. 80
  • E. None of them
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770 . A carpenter needs 4 boards, each 2 feet 10 inches long,. If wood is sold only by the feet, what is the minimum length, in feet, of wood he must buy?
  • A. 9
  • B. 10
  • C. 11
  • D. 12
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771 . A carpet that measures 5 ft by 9 ft covers 75% of a floor. What is the area of the floor?
  • A. 60
  • B. 100
  • C. 80
  • D. 90
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772 . A carpet that measures 6 ft by 8 ft covers 60% of a floor. What is the area of the floor?
  • A. 60
  • B. 100
  • C. 80
  • D. 90
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773 . A cement mixture is composed of 3 elements. By weight, 1/3 of the mizture is sand, 3/5 is water and the remaining 12 pounds of the mixture is gravel. What is the weight of the entire mixture in pounds?
  • A. 60
  • B. 80
  • C. 90
  • D. 180
  • E. None of these
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বাংলাদেশ গ্যাস ফিল্ড | সহকারী-ব্যবস্থাপক | 03-12-2021 || 2021
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774 . A certain amount is distributed among A, B and C. A gets 3/10 and B gets 1/4 of the whole amount, If C gets Tk. 81, then B gets:
  • A. Tk. 45
  • B. Tk. 32
  • C. Tk. 36
  • D. Tk. 40
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775 . A certain amount was divided between A and B in the ratio 4 : 3. If B's share was Tk. 4800, the total amount was:
  • A. Tk. 6400
  • B. Tk. 11,200
  • C. Tk. 19,200
  • D. Tk. 39,200
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776 . A certain class is divided into two section A and B of equal numbr of students. If the ratio of girls to buys for whole class is 3/5 and the ration of girls to boys in section A is 5/7. What is the ratio o fgirls to biys in section B?
  • A. 3 to 1
  • B. 2 to 1
  • C. 1 to 3
  • D. 1 to 2
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প্রবাসী কল্যাণ ব্যাংক-সিনিয়র অফিসার-09-10-2021
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777 . A certain jar contain 60 jellybeans where 22 white, 18 green, 11 yellow, 5 red and 4 purple. If a jellybean is to be chosen at random, what is the probability that the jellybean will be neither red not purple?
  • A. 0.09
  • B. 0.85
  • C. 0.54
  • D. 0.91
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Dhaka Bank Ltd | Probationary Officer | 05-02-2021
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778 . A certain machine produces 8 toys every 4 seconds. If the machine operates without interruption, how many toys will it produce in 2 minutes?
  • A. 60
  • B. 120
  • C. 240
  • D. 480
  • E. 960
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779 . A certain number of men can finish a piece of work in 100 days. If , there were 10 men less, it would take 10 days more for the work to be finished. How many men were there originally ?
  • A. 75
  • B. 82
  • C. 110
  • D. 100
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780 . A certain pole casts a shadow 24 feet long. At the same time another pole which is 3 feet high casts a shadow 4 feet long. How high is the first pole given that the heights and shadows are in proportion?
  • A. 20
  • B. 21
  • C. 18
  • D. 19
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