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737 . A cistern is normally filled with eater in 10 hours but takes 5 hours longer to fill because of a leak in its bottom . If the cistern is full, the leak will empty the cistern in -
- A. 20 hours
- B. 30 hours
- C. 40 hours
- D. 50 hours
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জনতা ও রূপালী ব্যাংক- অফিসার ১৩.১২.২০১৯
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738 . A class has 12 boys and 18 girls. What fraction of the class are boys?
- A. 2/5
- B. 3/5
- C. 4/5
- D. 3/2
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739 . A class of 120 has 25% girls. If 10% of the boys and 20% of the girls attended a picnic then what percentage of the class attended the picnic?
- A. 20%
- B. 25%
- C. 13%
- D. 12.5%
- E. None of these
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View Answer | Discuss in Forum | Workspace | Report |
741 . A class of 80 students has 25% girls. If 10% of the boys and 20% of the girls attended a picnic then what percentage of the class attended the picnic ?
- A. 20%
- B. 25%
- C. 13%
- D. 12.5%
- E. None of these
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View Answer | Discuss in Forum | Workspace | Report |
743 . A clock is started at noon. By 10 minutes past 5, the hour hand has turned through :
- A. 145 degree
- B. 150 degree
- C. 155 degree
- D. 160 degree
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View Answer | Discuss in Forum | Workspace | Report |
Bangladesh Bank - Officer - 2001
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745 . A clock seen through a mirror, shows quarter past three. What is the correct time shown by the clock?
- A. 3:15
- B. 7:15
- C. 8:45
- D. 9:45
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সমন্বিত ৭ ব্যাংক || অফিসার (ক্যাশ) (24-05-2024)
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746 . A clock seen through a mirror, shows quarter past three. What is the correct time shown by the clock?
- A. 3:15
- B. 7:15
- C. 8:45
- D. 9:45
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সমন্বিত ৮ ব্যাংক ও ১ টি আর্থিক প্রতিষ্ঠান || সিনিয়র অফিসার (সাধারণ) (20-01-2023)
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747 . A clock seen through a mirror, shows quarter past three. What is the correct time shown by the clock?
- A. 3:15
- B. 7:15
- C. 8:45
- D. 9:45
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সমন্বিত ৮ ব্যাংক ও ১ টি আর্থিক প্রতিষ্ঠান || অফিসার জেনারেল (10-03-2023)
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748 . A clock slows down one minute every 24 hours. How long will it take to slow down by one hour?
- A. 24 days
- B. 30 days
- C. 60 days
- D. 60 hours
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View Answer | Discuss in Forum | Workspace | Report |
View Answer | Discuss in Forum | Workspace | Report |