Evening MBA-DU(19th Batch)

৫৫ টি প্রশ্ন

একই বিষয়ের সব টপিক

Critical Reasoning: Acme brand aspirin claims to be the best headache relief available on the market today. To prove this claim, Acme called 10 people and asked them their thoughts on headache relief products. All 10 of them stated that they unequivocally use Acme brand aspirin on a regular basis and that they believe it to be the best headache relief available on the market today. Which of the following would most weaken this argument?

ক) Acme brand aspirin is highly addictive খ) The 10 people called were married to the company's top 10 executives, and they were coached on what to say গ) Most people choose to suffer silently through their headaches and take no medicines whatsoever ঘ) This survey was conducted by an independent company

Critical Reasoning: Our work proves to be very successful. In the past three years, each of our five clients has experienced the fastest growth of sales in their history. Therefore, if your company wants to increase sales, do not hesitate to call Sigma & Max, since we are the solution. Which of the following, if true, most seriously jeopardizes the validity of the argument by the speaker above?

ক) Most of the consultants at Sigma & Max hold MBA degrees খ) Even without the help of Sigma & Max, the five clients of Sigma & Max will achieve the same growth rate in sale. গ) Sigma & Max is one of the five leading management consulting companies ঘ) Sigma & Max uses an updated accounting approach to help companies to cut cost

Critical Reasoning: Although air pollution was previously thought to exist almost exclusively in our nation’s cities, the recent increase in the number of persons suffering from illnesses attributed to excessive air pollution leaves us no choice but to conclude that other, non urban areas are now affected. Which of the following, if true, would most seriously weaken the conclusion of the argument above?

ক) The nation's cities have seen a marked decrease in levels of air pollution খ) The nation has experienced a sharp decrease in the number of people moving out of its cities গ) Illnesses due to air pollution are among the least common causes of death to urban dwellers ঘ) Many illnesses previously thought unrelated to air pollution are now considered to be caused by it.

A jar contains only red, yellow, and orange marbles. If there are 3 red, 5 yellow and 4 orange marbles, and 3 marbles are chosen from the jar a: random without replacing any of them, what is the probability that 2 yellow, 1 red and no orange marbles will be chosen?

ক) 1/60 খ) l/45 গ) 2/45 ঘ) 3/22

Critical Reasoning: A freight elevator can carry a maximum load of 1200 pounds. Shahin, who weighs 200 pounds, is in the elevator with two packages weighing 150 pounds and 280 pounds. If he needs to fit three more packages in the elevator that weigh as much as possible without exceeding the elevator limit, what is the difference between their average and the average of the two packages already in the elevator?

ক) 25 খ) 85 গ) 190 ঘ) 215

Critical Reasoning: The levels of high-density lipoprotein in the blood stream of some individuals are significantly increased by regular exercise and weight reduction. Increased level of high-density lipoprotein in the human bloodstream lowers bloodstream cholesterol levels by augmenting the body’s capacity to get rid of excess cholesterol. Which of the following, can be correctly inferred from the statements above?

ক) Underweight individuals do not have risk of getting high level of cholesterol in the bloodstream খ) Individuals who do not regularly exercise have high risk of developing high level of cholesterol in life গ) Exercise and weight reduction are the most effective methods of controlling high cholesterol level ঘ) Regular exercise and weight reduction lowers cholesterol of some individuals

A store usually sells a certain item at 40% profit. In one week the store has a sale during which the item is sold 10% less than the usual price. During the sale what is the profit the store makes on the item?

ক) 10% খ) 16% গ) 26% ঘ) 28%

ব্যাখ্যা (Explanation)

Suppose, cost price=100 tk at 40% profit, selling price= 100+40=140 tk 10% less selling price={140-(140x10/100)}= 140-14=126tk profit=(126-100)=26 tk

Critical Reasoning: An average working man with the habit of shaving every morning spends a total of about 60 hours in a year to shave, which means loss of a large number of working days of an employer running a business with size able number of employees. Which of the following assumptions best suit as the basis for the above argument?

ক) The national work force consists mainly of men who shave খ) If men did not shave every morning, they would spend time working instead গ) Working men shave in the morning rather than in the evening ঘ) Men do not shave at the weekend, when they probably would not be at work

Critical Reasoning: A glucose solution contains 15 grams of glucose per 100 cubic centimeters of solution. If 45 cubic centimeters of the solution were poured into an empty container, how many grams of glucose would be in the container?

ক) 3.00 খ) 5.00 গ) 5.50 ঘ) 6.50

প্রথম ৩০টি প্রশ্নের ব্যাখ্যা ওয়েবসাইটে; সবগুলোর সম্পূর্ণ ব্যাখ্যা পেতে অ্যাপ ইন্সটল করুন।

অ্যাপ ইন্সটল করুন

Critical Reasoning: Helping students to develop interests in IT as a useful area of knowledge and skill is an art of good teaching. The way to do it is not to lecture about what to pick and what not to. Your own attitude to IT is the best role model, if you take positive delight in spending time on it and this makes it easy and natural for students to take interest in IT. The above statement is an attempt to-

ক) Remind teachers about the need for teaching IT খ) Establish the standards of good teaching গ) Warn teachers and students about the effects of being role models ঘ) Forbid teachers to take some stand

In an increasing sequence of 10 consecutive integers, the sum of first 5 integers is What is the sum of the last 5 integers in the sequence?

ক) 585 খ) 580 গ) 575 ঘ) 570

Critical Reasoning: In recent years, many cabinetmakers have been winning acclaim as artists. But since furniture must be useful, cabinetmakers must exercise their craft with an eye to the practical utility of their products. For this reason cabinetmaking is not art. Which of the following is an assumption that supports drawing the conclusion above from the reason given for that conclusion?

ক) Some furniture is made to be placed in museums, where it will not be used by anyone. খ) Some cabinetmakers are more concerned than others with the practical utility of the products they produce. গ) Cabinetmakers should be more concerned with the practical utility of their products than they currently are. ঘ) An object is not an art object if its maker pays attention to the object's practical utility.

Critical Reasoning: Opening a plant in war-torn Country X is not inadvisable, despite what critics of the plant may say. Ten years ago we opened our plant in Country Y in the middle of a revolution; that plant has been generating substantial profits ever since. Which of the following is the author of the argument above most reasonably intending the reader to conclude?

ক) Wars are profitable for the author's particular business. খ) Country X is a more politically stable nation than is Country Y. গ) Critics of the proposed plant in Country X are likely to be biased. ঘ) The proposed plant in Country X will generate profits despite the war.

Critical reasoning: Once a company has established an extensive sales network in a foreign market and therefore has achieved substantial sales, it seems that these markets should be treated in a very similar fashion to those in one’s own country. It is therefore those countries where only initial sales and representation have been developed where marketing methods will have to differ from domestic activities. The above statement assumes that:

ক) A study of marketing should consider the adaptability of advertising campaign in different countries of the world. খ) Some countries develop economically faster than others গ) Extensive sales networks are preferable to less developed ones. ঘ) Sales networks can be the same in both foreign and domestic market.

Critical reasoning: The exchange rate is the official rate of exchange of Taka for other currencies. It determines the value of Bangladeshi goods in relation to foreign goods. If the Taka is devalued in terms of other currencies, Bangladeshi exports (which are paid for in Taka) become cheaper to foreigners and Bangladeshi imports become more expensive to holders of Taka. What conclusions can be drawn from the information above?

ক) The difference between imports and exports is called the trade gap. খ) There are certain disadvantages for the economy of Bangladesh attached to devaluation গ) The prospect of devaluation results in a speculative outflow of funds ঘ) By encouraging export and discouraging imports, devaluation can improve balance of payments of Bangladesh

Critical reasoning: The moon is beautiful, even nobody is there to appreciate it. This statement would be logical contradiction to which of the following?

ক) People will see only what they want to see খ) There is no accounting for taste গ) Beauty exists only in the eye of the beholder ঘ) Beauty is only skin deep

Critical reasoning: Creative question-setting has reduced the memorizing and copying habits of students. This claim is validated by the following EXCEPT:

ক) Questions are totally unique and can be answered from knowledge and perception খ) Invigilators do not stop seeking help by one student from other in the exam hall গ) The process followed ensures that no question will be set from available printed books and guides ঘ) Recent evidence shows that very few students were penalized for copying in the exam hall

Mizan sells Televisions. On three sales, Mizan has received commissions of Tk. 385, Tk. 70 and Tk. 190, and he has one additional sale pending. If Mizan is to receive an average (arithmetic mean) commission of exactly Tk. 220 on the four sales, then the fourth commission must be:

ক) Tk. 135 খ) Tk.l55 গ) Tk. 220 ঘ) Tk. 235

ব্যাখ্যা (Explanation)

Mijan’s total commission=(385+70+190)=645 tk after selling four total commission= (220x4)=880 tk so,from 4rth sell commission=(880-645)=235 tk

Reshma’s Discount Footwear sells all pairs of shoes for one price and all pairs of boots for another price. On Monday the store sold 22 pairs of shoe and 16 pairs of boots for Tk. On Tuesday the store sold 8 pairs of shoes and 32 pairs of boots for Tk. How much more do pairs of boots cost than pairs of shoes at Reshma’s Discount Footwear?

ক) Tk 2.50 খ) Tk 5.00 গ) Tk 5.50 ঘ) Tk 7.50

ব্যাখ্যা (Explanation)

Suppose, price of shoes x taka price of boots y taka from Monday, 22x+16y=650 or,44x+32y=1300….i from Tuesday, 8x+32y=760……ii i-ii 36x=540 or,x=540/36 or,x=15 then,y=20 then, price difference=(20-15)=5 tk

নিজের প্রস্তুতি যাচাই করুন — অ্যাপে লাইভ পরীক্ষা দিয়ে মেরিট লিস্টে নিজের অবস্থান দেখুন।

অ্যাপ ইন্সটল করুন

What is the smallest number by which 720 must be divided in order to makes it a perfect square?

ক) 6 খ) 4 গ) 3 ঘ) 5

ব্যাখ্যা (Explanation)

here,720/5=144 , which is perfect square

Five teams are participating in a tournament in which each team plays two matches with another one. The total number of Matches will be:

ক) 10 খ) 20 গ) 9 ঘ) 19

If x + y = 5 and xy = 6 then 1/x+1/y =

ক) 1/6 খ) 1/5 গ) 5/6 ঘ) 6/5

ব্যাখ্যা (Explanation)

1/x+1/y=x+y/xy=5/6

The retail price of a product is Tk. If the producer, the wholesaler and the retailer each sells the product at 20% profit, then what is the production cost of the product?

ক) Tk 17.82 খ) Tk 17.28 গ) Tk 49 ঘ) Tk 13.50

ব্যাখ্যা (Explanation)

Suppose, production cost = 100 tk 20% profit, selling price=100+20=120 tk wholesale cost price = 144 tk selling price= (120+120x 20/100)=144 tk retailer, cost price =144 selling price = (144+144 x20/100)=172.8 tk retailer price 172.8 tk= production cost 100 tk retailer price 21.60 tk= production cost 100 X 21.60/172.8 tk=12.50 tk

An ambulance travels 10 miles at a speed of 50 miles per hour. How fast must the ambulance travel on the return trip if the round trip travel times is 20 minutes?

ক) 75 mph খ) 55 mph গ) 60 mph ঘ) 65 mph

ব্যাখ্যা (Explanation)

50 mile goes in 60 min 1 mile goes in 60/50min 10 mile goes in 60X50/10=12min time remaining=20-12=8 min in 8 minitue goes 10 mile in 1 minitue goes 10/8 mile in 60 minitue goes 10x60/8 mile=75 mile

If Shafin were twice as old as he is now, he would be 40 years older than Monir. If Monir is 10 years younger than Shafin, how old is Shafin?

ক) 50 খ) 30 গ) 35 ঘ) 40

ব্যাখ্যা (Explanation)

Suppose,

Shafin’s current age =x years

monir’s current age = (x-10) yers here, 2x=(x-10)+40 or,x=30 years

Adria first reduced a number by 20% and then increased it again by 20% If the difference between the last number and the original number was 8, then the original number was:

ক) 200 খ) 250 গ) 300 ঘ) 450

ব্যাখ্যা (Explanation)

Suppose,

Original number= 100 at 20% less current number=(100-20)=80 20% increase, number is (80+80 x 20/100)=96 so,difference=(100-96)=4 if difference 4 then original number 100 if difference 8 then original number 100x8/4=200

In a group of people solicited by a charity, 30% contributed TK. 40 each. 45% contributed Tk. 20 each and the rest contributed Tk. What percentage of the total contribution came from people who gave Tk. 40?

ক) 25% খ) 30% গ) 40% ঘ) 45%

ব্যাখ্যা (Explanation)

Suppose,

Number of people=100 total taka =(30x40)=1200 tk 45% gave 20 tk so, amount=45x20=900 tk rest=25 rest of them give 12 tk so totl mount=25x12=300 tk total tk=(1200+900+300)=2400 tk :. 1200/2400 = ½ 50% so, people who given 40 tk contributed 50%

How many minutes does it take for Asif to type y words if he types at the rate of x words per minute?

ক) x/y খ) y/(60x) গ) xy ঘ) (60x)/y

A rectangle is 14 cm long and 10 cm wide. If the length is reduced by x cm and its width is increased also by x cm so as to make it a square, then its areas increases by:

ক) 4 cm2 খ) 144 cm2 গ) 12 cm2 ঘ) 2 cm2

এই টপিকের সব প্রশ্ন ব্যাখ্যাসহ, ভুল-সঠিক-বুকমার্ক আলাদা করে রিভিশন — অ্যাপে।

অ্যাপ ইন্সটল করুন

If A has 32 elements, B has 42 elements and AUB has 62 elements then number of elements in A and B is:

ক) 10 খ) 12 গ) 15 ঘ) 20

ব্যাখ্যা (Explanation)

here, A+B=32+62=74 A and B are common=(74-62)=12 elements

সঠিক উত্তর: ০ ভুল উত্তর: ০