mathematics MCQs

Showing 50 questions (Total: 16798)

Government Job and Other Recruitment Exams #16651

দুইটি সংখ্যার বিয়োগফল তাদের যোগফলের ১/৩ অংশ। সংখ্যা দুটির অনুপাত কত?

ক: ৩:১
খ: ২:৩
গ: ১:৪
ঘ: ২:১
Bangladesh Civil Aviation Authority #16652

একটি কলম ১০% লাভে বিক্রয় করলে বিক্রয়মূল্য ও ক্রয়মূল্যের অনুপাত কত?

ক: 11:10
খ: 10:11
গ: 10:9
ঘ: কোনোটিই নয়
Probashi Kallyan Bank #16653

The price of raw meterials had gone up by 15% labor cost has also increased from 25% of the cost of ras material to 30% of the cost of raw material. By how much percentage should there be reduction in the usage of raw materials so as to keep the cost same?

A: 28%
B: 17%
C: 27%
D: 24%
Titas Gas Transmission and Distribution Co. Ltd. #16654

A dog takes 3 leas for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is:

A: 8:5
B: 9:7
C: 9:5
D: 8:7
Titas Gas Transmission and Distribution Co. Ltd. #16655

The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older than him. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?

A: 23
B: 24
C: 25
D: None
Titas Gas Transmission and Distribution Co. Ltd. #16656

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?

A: 1440
B: 1800
C: 3600
D: None
Related Topics
Combined Bank #16657

If x:y= 5:3, then (8x-5y) : (8x+5y)= ?

A: 3:12
B: 8:12
C: 5:11
D: 5:15
Probashi Kallyan Bank #16658

Equal amounts of water were proured into two empty jars of different capacities, which made one jar 1/4 full and the other jar 1/3 full . If the water in the with the lesser capacity is then poured into the jar the greater capacity, What fraction of the larger jar will be filled with water?

A: 1/3
B: 1/4
C: 1/5
D: 1/2
Related Topics
Computer Operator #16659

দুইটি বৃত্তের ব্যাসের অনুপাত 3:2 হলে বৃত্ত দুইটির ক্ষেত্রফলের অনুপাত কত হবে?

ক: 2:3
খ: 9:4
গ: 4:9
ঘ: 6:4
Bakhrabad Gas Field | Assistant Manager #16660

Two bikes start at he same time from two destination 200 km apart and traved towards each other. If they cross each other at a distance of 130 km from one of the destination, what is the ratio of their speeds?

A: 17:13
B: 7:3
C: 1:3
D: 2:3
Government Job and Other Recruitment Exams #16661

১৫০ মিটার দীর্ঘ একটি ট্রেন ৪৫০ মিটার দীর্ঘ প্ল্যাটফর্ম ২০ সেকেন্ডে অতিক্রম করে। ট্রেনটির গতিবেগ ঘন্টায় কত কিলোমিটার?

ক: ১০৮
খ: ১৫৪
গ: ১৪৫
ঘ: ১৭৫
Government Job and Other Recruitment Exams #16662

৩০০ মিলি লিটারের মিশ্রণে ১২% লবণ আছে, যদি এর সাথে ২০০ মিলি লিটার পানি মেশানো হয় নতুন মিশ্রণে লবণের পরিমাণ কত শতাংশ?

ক: ৭.২%
খ: ৭.৫%
গ: ৬.৯%
ঘ: ৬.৮%
National Security Intelligence Agency (NSI) #16663

A fair six side dice is rolled. Find th probality of getting an odd number or a number less than 4.

A: 2:3
B: 3:4
C: 5:6
D: 1:6
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Bangladesh Bureau of Statistics #16664

৫০ কেজি দুধের সাথে ৫ কেজি চিনি মেশানো হলে চিনি মিশ্রিত দুধে চিনি ও দুধ এর অনুপাত কত?

ক: ১:১০
খ: ১:১২
গ: ১:১১
ঘ: কোনোটিই নয়
National Security Intelligence Agency (NSI) #16665

5 years ago the ration of father's age to son's age was 5:1 and 2 years later father's age will be 3 times his sons's age. What is ration of their present age?

A: 5:6
B: 7:3
C: 10:3
D: 11:7
Officer (Cash) #16666

What is the fellow of 'n' if (8-3) (8-n)=?

A: -3
B: 8
C: -5
Related Topics
Bangladesh Bureau of Statistics #16667

a=-2, b=-1, c=2, d=1 হলে -a(-b)+(-c)-(-d) এর মান কত?

ক: 6
খ: 4
গ: 2
Related Topics
Bangladesh Bureau of Statistics #16668

২, ০, ৮, ২ অংকগুলো দ্বারা গঠিত বৃহত্তম ও ক্ষুদ্রতম সংখ্যার গড় কত?

ক: ৪২২৪
খ: ৩০৯৬
গ: ৫১২৪
ঘ: ৪১১০
Titas Gas Transmission and Distribution Co. Ltd. #16669

The electricity bill of a certain establishment is partially fixed and partially varies as the number of units of electricity consumed. Wen in a certain month 540 units are sonsumed. the bill is TK 1800. In another month 620 units are consumed are the bill is Tk 2040. Inayet another month if 500 units are consumed what would be the bill (in Tk) for that month?

A: 1950
B: 1560
C: 1840
D: 1680
Government Job and Other Recruitment Exams #16670

একটি সিলিন্ডার ও একটি বৃত্তাকার মোচার ব্যাসার্ধ এবং আয়তন সমান। সিলিন্ডারের উচ্চতা ও মোচার উচ্চতার অনুপাত কত?

ক: ৩:৫
খ: ২:৫
গ: ১:৩
ঘ: ৩:৩
Bangladesh Civil Aviation Authority Security Officer 23 #16671

৭ থেকে ৬০ পর্যন্ত যে সকল মৌলিক সংখ্যার একক স্থানীয় অংক ৯। তাদের সমষিট কত>

ক: ১০৭
খ: ২১৭
গ: ১১৬
ঘ: ১১৫
Civil Aviation Authority #16672

একটি রম্বসের কর্ণদ্বয়ের দৈর্ঘ্য ৮ সেন্টিমিটার ও ৯ সেন্টিমিটার। ওই রম্বসের ক্ষেত্রফলের সমান ক্ষেত্রফল বিশিষ্ট বর্গক্ষেত্রের পরিসীমা কত সেন্টিমিটার?

ক: ২০
খ: ৩৬
গ: ২৪
ঘ: ৪৯
Department of Secondary and Higher Education #16673

কোন ত্রিভুজের বাহুগুলোর অনুপাত নিচের কোনটি হলে একটি সমকোণী ত্রিভুজ অঙ্কন করা সম্ভব?

ক: 6:5:4
খ: 3:4:5
গ: 12:8:4
ঘ: 6:4:3
43rd BCS Preliminary Test #16674

A এবং B দুটি ঘটনা যেন ,P(A)=12, P(AUB)=34 এবং P(Bc)=58| P(Ac∩BC)= কত?

A: 18
B: 16
C: 14
D: 12
Related Topics
43rd BCS Preliminary Test #16675

x-2x-1+1x-1-2=0 এর সমাধান সেট কোনটি?

ক: ∅
খ: {1}
গ: {-1}
ঘ: {2}
Related Topics
Senior Officer (Finance) #16676

Of the 50 researcher in a work group 40% will be assigned to team A and the remaining 60% to team B. However 70% of the researcher prefers team A and. 30% prefer team B. What is the least possible number of researchers who will not be assigned to the team they prefer?

A: 15%
B: 20%
C: 25%
D: 30%
Related Topics
Government Job and Other Recruitment Exams #16677

A frog is sitting on vertex A of a square ABCD. It starts jumping to the immediately adjacent vertex on either side in random fashion and stops when it reaches point C, in how many ways can it reach paint C if it makes exactly 7 jumps?

A: 1
B: 3
C: 5
Government Job and Other Recruitment Exams #16678

The city library donated some books to a class. If each student takes 4 books. there will be 20 books left. If 3 students do not take a book and the rest of the students take 5 books each, there will be no books left. How many books were donated to the class?

A: 120
B: 140
C: 160
D: 175
Related Topics
Government Job and Other Recruitment Exams #16679

০.১×.০.০১×০.০০১= কত?

ক: ০.১১১
খ: ০.০০০১১
গ: ০.০০০০০১
ঘ: ০.০০১০০
43rd BCS Preliminary Test #16680

4x+41-x=4 হলে, x = কত?

A: 14
B: 13
C: 12
D: 1
Related Topics
Bangladesh Bureau of Statistics Statistical Assistant #16681

2A = 3B 2B = 5C এবং 3C = 4D হলে A:B :C:D =কত?

A: 4:8:15:20
B: 15:10 4:3
C: 4:6:15:20
D: 4:8:10:20
Related Topics
Government Job and Other Recruitment Exams #16682

The ratio of the number of boys and girls in a college is 7: 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?

A: 8:9
B: 17:18
C: 21:22
D: 18:19
Government Job and Other Recruitment Exams #16683

If 4b2+1b2=2, then the value of    8b3+1b3 is?

A: 1
B: 2
C: 3
Related Topics
Officer (General) #16684

A product is bougth ans sold at he profit of 15% the ratio of selling ans buying cost is

A: 17:20
B: 23:20
C: 20:23
D: 20:17
Government Job and Other Recruitment Exams #16685

A shopkeeper carns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is

A: 45:56
B: 45:51
C: 47:56
D: 47:51
Related Topics
Food Directorate #16686

কোন সমান্তর ধারারাা P তম পদ q এবং q তম পদ p হলে (p+q) তম পদ কত?

ক: pq
খ: p+q
গ: Pq(p+q)
Bangladesh Bank #16687

Bill and Ben can clean the garage. together in 6 hours. If it takes Bill 10 hours working alone, how long will it take Ben working alone?

A: 11 hours
B: 4 hours
C: 16 hours
D: 15 hours
National Security Intelligence Agency (NSI) #16688

It takes 5 hours to fill a container using machine A. The same container can be filled using machine B in 10 hours. When the container is full, Machine C can fully empty the container in 20 hours. If all three machines start working on the same empty container how long will it take for the container to be completely filled,

A: 12 hour
B: 4 hour
C: 2 hour
D: 15 hour
Security Printing Corporation Bangladesh Assistant Manager #16689

The batting average for 40 innings of a cricket player is 50 runs. His higest score in an innings exceeds his lowest score by 172 runs. if thse two innings are excluded, the average score of the remianing 38 innings is 48 runs . Find his highst score in an innings

A: 180 runs
B: 170 runs
C: 174 runs
D: 168 runs
Food Directorate #16690

x+1x=2 হলে , (x-12)2  এর মান কত?

ক: 1
খ: 2
গ: 4
Related Topics
Food Department Recruitment Exam #16691

দুইটি চাবার পরিধি যথাক্রমে ৩১.৪১৬ সে.মি ও ৬২.৮৩২ সে.মি হলে তাদের ব্যাসার্ধের অনুপাত কত?

ক: ৪:৫
খ: ১:২
গ: ২:৩
ঘ: ৩:৪
Bangladesh Gas Field | Assistant Manager #16692

A rectangular plot of land has a fence along three of its four sides. The undenced side and the side opposite the unfenced side have a length that is three times thel length of the other two sides. If the area of the plot is 432 square feet, what is the total length id the fence in feet.

A: 60
B: 72
C: 80
D: 90
Bangladesh Gas Field | Assistant Manager #16693

Due to reduction in books priceby 10%. The number of books sold increased by 35%. What was the percentage increase in revenue?

A: 17
B: 18
C: 19
D: 20
Directorate of Secondary and Higher Education Cashier #16694

x4-x2+1=0 হলে x2+1x2=?

A: 1
B: 2
C: 3
Related Topics
Bangladesh Bureau of Statistics Statistical Assistant #16695

বৃত্তস্থ চতুর্ভুজের একটি কোণ ৮০° হলে তার বিপরীত কোণের মান কত?

ক: ১০°
খ: ১২০°
গ: ১৩৫°
ঘ: ১০০°
Related Topics
Gas Transmission Company Limited Assistant Manager #16696

A boat has a crack in its bull which is leaking water into the boat and could pump which can pump the water out in 8 hours . If the boat is 168 km away from the shore and the pump is running what is the minimum speed the boat should run at so that it can reach the shore before sinking?

A: 5km./hour
B: 6 km/hour
C: 7 km/hour
D: 8km/hour
Food Directorate recruitment test Sprayman #16697

a : b=3 : 6 এবং b : c=12 : 16 হলে a : c= কত?

A: 6 : 16
B: 3 : 2
C: 2 : 3
D: 4 : 3
Related Topics
Combined Bank #16698

As a salesperson, Poly can choose one of two methods of annual payment either an annual salary of Tk. 35,000 with no commission or an annual salary of Tk. 10,000 plus a 20 percent commission on her total annual sales. What must her total annual sales be to give her the same annual pay with either method?

A: Tk.100,000
B: Tk. 120,000
C: Tk. 125,000
D: Tk. 130,000
Related Topics
Food Directorate recruitment test Sprayman #16699

একটি বৃত্তের পরিধি : বৃত্তের ক্ষেত্রফল নিম্নের কোনটি?

ক: 2 : r
খ: π:2r
গ: π : r
ঘ: 2 :πr
Various ministries Personal Officer 28 #16700

9x2=6x-2 হলে 81x4+49x3 এর মান -

A: -2
B: 2
C: 3
Related Topics