106 . If the summation of roots of two integers is 11+82 . what is the summation of the squares of these two integers?

  • A. 49
  • B. 55
  • C. 57
  • D. 63
  • E. 78
View Answer
Favorite Question
Report
জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা (NSI) - সহকারী পরিচালক (23-05-2025)
More

107 . A9 cm X 8 cm X 15 cm block of ice is being melted to make identical ice cubes. If surface area of any two sides of the cubes has to be 72 cm2, how many ice cubes can be made?
  • A. 3
  • B. 5
  • C. 7
  • D. 9
  • E. 11
View Answer
Favorite Question
Report
জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা (NSI) - সহকারী পরিচালক (23-05-2025)
More

108 . A rectangular tank with dimensions 80 cm X 60 cm X 15 cm can be filled with tap A at the rate of 680 cm every 2 minutes and can be emptied with tap 1 at the rate of 140 cm every minute. It Jamal leaves both taps open at 2:30 pm, when will the tank be filed to 1 /3'' prime its capacity?
  • A. 3.45 pm
  • B. 4.15 pm
  • C. 4.30 pm
  • D. 5.15 pm
  • E. 5.30 pm
View Answer
Favorite Question
Report
জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা (NSI) - সহকারী পরিচালক (23-05-2025)
More

109 . Which of the following is the largest?

  • A. 275
  • B. 25
  • C. 516
  • D. 45.1024
View Answer
Favorite Question
Report
জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা (NSI) - সহকারী পরিচালক (23-05-2025)
More

110 . Find the remainder when 711+7111+71111 is divided by 8.

  • A. 1
  • B. 2
  • C. 3
  • D. 5
  • E. 7
View Answer
Favorite Question
Report
জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা (NSI) - সহকারী পরিচালক (23-05-2025)
More

111 . Amir and Hannan working together can finish a work in 3 hours. If they work alone, Hannan takes 3 times as long as Amir. How long does Hannan take to finish the job alone?
  • A. 6
  • B. 12
  • C. 14
  • D. 16
  • E. None
View Answer
Favorite Question
Report
জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা (NSI) - সহকারী পরিচালক (23-05-2025)
More

112 . If the distribution of movie durations is symmetric around the mean of 1.5 hours following a bell curve and if the standard deviation is 20 minutes, approximately what percentage of all movies are longer than 110 minutes?
  • A. 12
  • B. 16
  • C. 20
  • D. 25
  • E. 50
View Answer
Favorite Question
Report
জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা (NSI) - সহকারী পরিচালক (23-05-2025)
More

113 . Terra Data asked a team of workers to finish a project. After 16 days, 25% workers left. Remaining workers took the same number of days to finish rest of the work that the original team would have taken to complete the entire project. In how many days was the entire project finally completed?
  • A. 45
  • B. 56
  • C. 72
  • D. 80
  • E. 90
View Answer
Favorite Question
Report
জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা (NSI) - সহকারী পরিচালক (23-05-2025)
More

114 . Mr. Farhan and Mr. Rafiq start walking in the park along a circular track from opposite directions at 6.30 am, it they walk at speeds of 2 rounds per hour and 3 rounds per hour respectively, how many times will they cross each other by 8.00 am ?
  • A. 5
  • B. 6
  • C. 7
  • D. 8
  • E. 9
View Answer
Favorite Question
Report
জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা (NSI) - সহকারী পরিচালক (23-05-2025)
More

115 . Fedora Technologies acquired 60 hard-drives and tried selling them at BDT 2400 apiece at 20 percent markup on cost price. After 3 months, 6 remained unsold and were returned to manufacturer at 50 percent refund of cost. Find out Fedora's approximate profit margin as a percentage of initial acquisition cost of the 60 hard-drives.
  • A. 5%
  • B. 7.5%
  • C. 10%
  • D. 12.5%
  • E. None
View Answer
Favorite Question
Report
জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা (NSI) - সহকারী পরিচালক (23-05-2025)
More

116 . If p and q are positive integers and the difference between pq and ap is three times the sum of p and q then how many pairs of p and q are possible?
  • A. 2
  • B. 3
  • C. 4
  • D. 5
  • E. 6
View Answer
Favorite Question
Report
জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা (NSI) - সহকারী পরিচালক (23-05-2025)
More

117 . Kanban Inc.. earned BDT 47000 in December, thereby reducing 12-month average earning (from January to December) by BDT 2500. Find the new average earning
  • A. 72000
  • B. 73500
  • C. 74500
  • D. 76200
  • E. None
View Answer
Favorite Question
Report
জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা (NSI) - সহকারী পরিচালক (23-05-2025)
More

118 . Pavel was cycling at 30 km/h and was passed by Ratan who was cycling at 40km/h. If Ratan cycles for c minutes at his speed and then stops, how long in minutes, will it take for Pavel to reach him?
  • A. 2c
  • B. C
  • C. c/2
  • D. c/3
  • E. 4c/3
View Answer
Favorite Question
Report
জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা (NSI) - সহকারী পরিচালক (23-05-2025)
More

119 . A sum of miney amounts to Tk 9800 after 5 years and Tk. 12005. after 8 years at the same rate of simple interest. The rate of interest per annum is.
  • A. 5%
  • B. 8%
  • C. 12%
  • D. 15%
View Answer
Favorite Question
Report
প্রবাসী কল্যাণ ব্যাংক-সিনিয়র অফিসার-09-10-2021
More

120 . 23+3=?

  • A. 6
  • B. 26
  • C. 33
  • D. 46
View Answer
Favorite Question
Report
প্রবাসী কল্যাণ ব্যাংক-সিনিয়র অফিসার-09-10-2021
More