6076 . In a right angled triangle, the length of perpendicular and base are 1.8 cm and 2.5 cm respectively, then find its hypotenuse.

A. 3.32cm.
B. 3.52cm.
C. 3.62cm.
D. 3.72cm.

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Answer: Option A

Explanation:

তিতাস গ্যাস ট্রান্সমিসন এন্ড ডিস্ট্রিবিউশন কোম্পানী লিমিটেড (TGTDCL) || সহকারী প্রকৌশলী (EEE) (24-05-2024) || 2024

A. 1440
B. 1800
C. 3600
D. None

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Answer: Option B

Explanation:

তিতাস গ্যাস ট্রান্সমিশন অ্যান্ড ডিস্ট্রিবিউসন কো. লি.-সহকারী ব্যবস্থাপক-08-10-2021

A. 1/8
B. 2/7
C. 1/9
D. 4/11

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Answer: Option B

Explanation:

In Leap Year, There are 366 days, 366 days = 52 weeks +2days These 2 days can be MT, TW, WTh, ThF, FSa, SaS, SM n(S)=7 Event , E: Getting Tuesday n(E)=2 Hence P(E)=n(E) / n(S)=2/7 Hence the probability of 53 Tuesdays =2/7

বাংলাদেশ পল্লী বিদ্যুতায়ন বোর্ড || সহকারী প্রকৌশলী (Civil/EEE/Mechanical) (23-02-2024) || 2024

A. 209

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Answer: Option A

Explanation:

Microcredit Regulatory Authority (সহকারী পরিচালক) 05-03-2021

A. 20 m
B. 22 m
C. 24 m
D. 26 m

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Answer: Option C

Explanation:

Hints: length বের করতে হবে সর্ব্বোচ্চটির থেকে। ১২ টি column থেকে প্রাথমটির আমরা double করবনা। 11 × 2 = 22, সাথে প্রতি দুই দিক থেকে 1 মিটার যোগ 22 + 2 = 24

বাংলাদেশ পল্লী বিদ্যুতায়ন বোর্ড ।। সহকারী সচিব/সহকারী পরিচালক(প্রশাসন) (18-01-2019)

A. 50%
B. 60%
C. 64%
D. 65%

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Answer: Option B

Explanation:

বাংলাদেশ তেল- গ্যাস ও খনিজসম্পদ কর্পোরেশন (পেট্রোবাংলা) || সহকারী ব্যবস্থাপক (22-11-2024) || 2024

A. 2
B. 3
C. 4
D. 5

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Answer: Option A

Explanation:

বাংলাদেশ সেতু কর্তৃপক্ষ (সহকারী সাব-ইঞ্জিনিয়ার) 18-12-2020

A. 6
B. 8
C. 11
D. 15

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Answer: Option B

Explanation:

Total - None = M + A - M∩A

⇒ 50-None = 18 + 26 - 2

⇒ None = 50 - 42

∴ None = 8

6084 . In a Class of 120 students numbered 1 to 120, all even numbered students opt for Physics , those whose numbers are divisible by 5 opt for Chemistry and those whose numbers are divisible by 7 opt for Math. How many opt for none of the three subject ?

A. 19
B. 41
C. 43
D. 51

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Answer: Option B

Explanation:

Physics takes = 120/2 = 60
Chemistry takes = 120/5 = 24
Mathematics takes = 120/7 = 17
Physics and chemistry = 120/10 = 12
Physics andmathematics = 120/14 = 8
Chemistry and mathematics = 120/35 = 3
Physics, Chemistry and mathematics = 120/70 = 1
So, Only physics and chemistry = 12 - 1 = 11
Only physics and mathematics = 8 - 1 = 7
Only Chemistry and mathematics = 3 - 1 = 2
Now, Only physics = 60 - 11 - 7 = 41
Only Chemistry = 24 - 11 - 2 - 1 = 10
Only mathematics = 17 - 7 - 2 - 1 = 7
Shortcut not taken none ofthe three = 120 - (41 + 10 + 7 + 11 + 7 + 2 + 1) = 12 - 79 = 41

পল্লী কর্ম সহায়ক ফাউন্ডেশন সহকারী ব্যবস্থাপক ০২. ০৮.২০১৯

A. 40
B. 50
C. 60
D. 65

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Answer: Option B

Explanation:

Number of students=25+25-10+10=50.

BCSIC নিয়োগ পরীক্ষা - ২০১৮ পদ: এক্সটেনশন অফিসার তারিখ: ০৯-১১-২০১৮

A. 5%
B. 10%
C. 15%
D. 22%

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Answer: Option D

Explanation:

Eng. male = 120×.25 = 30

Eng.female = 100×.20 = 20

Total eng. student = 30 + 20 = 50

Eng.male passed = 30×.20 = 6

Eng female passed = 20×.25 = 5

So, percentage passed = (6 + 5)/50×100% = 22%

A. 30
B. 70
C. 100
D. 250

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Answer: Option B

Explanation:

\cos t = 100 p r o f i t = 320 % o f 100 = 320 s e l l i n g p r i c e = 100 + 320 = 420 N e w \cos t = 100 + (25 % o f 100) = 100 + 25 = 125 N e w p r o f i t = 420 - 125 = 295 N e w p r o f i t p e r c e n t e g = (\frac{295}{420} \times 100 %) = 70.23 % = 70 %

A. 0.10
B. 0.15
C. 0.20
D. 0.25

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Answer: Option B

Explanation:

প্রশ্নে বলা হচ্ছে, একটি অফিসের কর্মীদের 60% গড়ে দৈনিক এক ঘণ্টা করে গাড়িতে ভ্রমণ করে। এই 60% কর্মীর 25% আবার ট্রেনে ভ্রমণ করে। একজন কর্মীকে দৈবভাবে চয়ন করা হলে তা ট্রেনে ভ্রমণকারী হবার সম্ভাবনা কত?
ধরি, মোট কর্মী সংখ্যা 100 জন।
.:. গাড়িতে 1 ঘণ্টা ভ্রমণ করে এমন যাত্রী সংখ্যা = 60 জন
.:. ট্রেনে ভ্রমণ করে এমন কর্মীর সংখ্যা
= 60 এর 25% = 15 জন
কর্মীর ট্রেনে ভ্রমণের সম্ভাবনা = 15/100 = 0.15

বাংলাদেশ অর্থনৈতিক অঞ্চল কর্তৃপক্ষ (সহকারী ব্যবস্থাপক) 25-09-2020

A. 6 seconds
B. 15.17 seconds
C. 20 seconds
D. None of these

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Answer: Option D

Explanation:

Born in 1 second= \frac{1}{7} and death in 1 second = \frac{1}{10} birth rate = \frac{1}{7} person/second death rate= \frac{1}{10} person/second Nate population growth rate = \frac{1}{7} - \frac{1}{10} = \frac{3}{70} person/second Time for population to growth by \frac{3}{70} person = 1 second " " " " " " 1 " = \frac{1}{\frac{3}{70}} = \frac{70}{3} \approx 23.33 second

6090 . In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men will be catered to with the remaining meal?

A. 20
B. 30
C. 40
D. 50

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Answer: Option B

Explanation:

150 children have taken meal .

Children = 200-150 =50

The remaining meal is to be catered to 50 children.

Now 200 child = 120 man

So, 50 children =200120×50=30 Man

6076 . In a right angled triangle, the length of perpendicular and base are 1.8 cm and 2.5 cm respectively, then find its hypotenuse.

6077 . In a market suvey 20% respondents opted for product A whereas 60% opted for product B. the remaining individuals were not certain. If the difference in number between those who opted for product B and those who were uncertain was 720 . How many individuals were covered in the survey?

6078 . In a leap year what is the probability that there are 53 Tuesday?

6079 . In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?

6080 . In a garden, there are 10 rows and 12 columns of mango trees. The distance between two trees is 2 meters and a distance of one meter is left from all sides of the boundary of the garden. What is the length of the garden?

6081 . In a college, the ratio of foreign to local students is 3:7. If three-fourths of the local students are female and one-quarter of the foreign students are female, what fraction of the combined students is female?

6082 . In a class of 60 students, 20 students like Math, 25 students like English and 30 students like Science. If 5 Students like both Math and Science, 8 Students like both English and Science and 3 students like neither of these subjects, how many students like all of the three subjects?

6083 . In a class of 50 students, 18 take music, 26 take art and 2 take both music and art. How many students in the class are not enrolled in either music or art?

6084 . In a Class of 120 students numbered 1 to 120, all even numbered students opt for Physics , those whose numbers are divisible by 5 opt for Chemistry and those whose numbers are divisible by 7 opt for Math. How many opt for none of the three subject ?

6085 . In a class ,25 students play cricket ,25 play footballand 10 play both.10 play neither cricket nor football.what is the numbar of students in the class?

6087 . In a certain store, the profit is 320% of the cost, If the cost increases by 25% but the selling price remains constant approximately what percentage of the selling prices is the profit?

6089 . In a certain country. A person is born every 7 seconds and a person dies every 10 seconds. Therefore, the birth and death rates account for a population growth rate of one person every---

6090 . In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men will be catered to with the remaining meal?

150 children have taken meal .

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