সেট (Set) - CAREER CARE

Question 1: যদি A ও B যে কোন দুটি সেট হয়, তবে (A-B)∩B= কত?

∅

Source: Sonali Bank Ltd - Sub-Assistant Engineer (Civil) - 02.12.2016

Answer: ∅

Explanation:

Question 2: If five students run a mile in 5 minutes, then how much time will 50 students take to run a mile?

5 min

10 min

50 min

250 min

Source: One Bank Ltd - Probationary Officer - 06.08.2010

Answer: 5 min

Explanation:

Question 3: In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is two-third of the number of students of 8 years of age which is 48. what is the total number of students in the school?

100

Source: Mercantile Bank Ltd - Management Trainee Officer - 31.07.2015

Answer: 100

Explanation:

Question 4: At a college, there are from 2 to 5 introductory English classes each semester, and each of these classes has from 20 to 30 students enrolled. If in one semester 12% of these students enrolled in introductory English fails, what is the greatest possible number of students who failed?

180

Source: Trust Bank Ltd - Management Trainee Officer - 06.12.2011

Answer:

Explanation:

Question 5: ৭ এর গুনিতকের সেট কোন ধরনের সেট ?

সসীম

ফাঁকা

সার্বিক

অসীম

Source: প্রাথমিক বিদ্যালয় সহকারী শিক্ষক নিয়োগ -(১৫ জেলা) (26-05-2001)

Answer: অসীম

Explanation:

Question 6: In a group of 15 high school students, 7 study Latin, 8 study French, and 3 study neither Latin nor French. How many students study both Latin and French?

Source: First Security Islami Bank Ltd - Probationary Officer - 17.07.2009

Answer: 3

Explanation:

Question 7: A class of 20 students borrowed library books for their research projected. Some of the students borrowed 3 books each, and the rest borrowed 2 books each. If a total of 52 books were borrowed, how many of the students borrowed, how many of the students borrowed 3 books each?

Source: Titas Gas Co.Ltd - Deputy Asst. Engineer - 18.02.2011

Answer: 12

Explanation:

Question 8: If f(x)=5-2x and f(3k)=f(k+1),then f(k) = ?

0.5

Source: তিতাস গ্যাস ট্রান্সমিশন এন্ড ডিষ্ট্রিবিউশন কোম্পানী লি. - সহকারী ব্যবস্থাপক (অ্যাকাউন্টস) - ২৭.০৪.২০১৮

Answer: 4

Explanation:

Question 9: (x-2)(x-3)<0 এর সমাধান সেট কত?

x>2

x<3

2<>

কোনোটিই নয়

Source: সহকারী উপজেলা-থানা শিক্ষা অফিসার (24-12-2010)

Answer: 2<>

Explanation:

Question 10: If A = {1,2,3,4,5}, then the number of proper subsets of A is-

120

Source: Agrani bank Ltd - Officer (Cash) - 15.12.2017

Answer: 31

Explanation:

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You should read | Questions

There ar 200 students in a class. 76% passed in Bangla and 54% passed in English . If 10% of the students failed in both the subjects then how many of them passed in both subjects ?

যদি A={ 2, 3}, B={1, 2} এবং A ও B এর উপাদানগুলোর মধ্যে x>y সম্পর্কটি বিবেচনা থাকে, তবে অন্বয়টি ---

If 5 student run a mile in 5 minutes, how much time will 50 students take to run a mile?

In a group of 15 , 7 have studied Latin , 8 have studied Greek, and 3 have not studied either . How many of these studied both Latin and Greek ?

যদি A এবং B দুইটি সেট হয় তবে A n(A U B) = A u(AnB) = কত?

A gym class can be divided into 8 teams with an equal number of players on each team or into 12 teams with an equal number of players on each team. What is the lowest possible number of students in the class?

Of the 50 students in a college , 32 are enrolled in psychology class and 37 are enrolled in logic. If 6 of the students did not enroll in either class, how many of the students are in only one of these two classes?

70 students are enrolled in Management, Accounting and Marketing. 40 students are in Management, 35 are in Accounting, and 30 are in Marketing. 15 students are enrolled in all three courses. How many of the students are enrolled in exactly two of the courses?

যদি A ও B যে কোন দুটি সেট হয়, তবে (A-B)∩B= কত?

A={1, 2, 3}, B={3, 4} এবং C={4, 5, 6} হয় , তবে A×B∩B×C=কত হবে ?

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সূচক ও লগারিদম (Exponents and Logarithms)

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