Evening MBA-DU(28th Batch)

৫৫ টি প্রশ্ন

একই বিষয়ের সব টপিক

What is per capita income of Bangladesh presently in USD?

ক) 910 খ) 980 গ) 1010 ঘ) 1190

ব্যাখ্যা (Explanation)

বর্তমানে মাথাপিছু আয় ১ হাজার ৪৬৫ মার্কিন ডলার। According to Bangladesh Bureau of Statistics.---Updated: 24 Nov. 2016

Logical Reasoning: Irin is taller than Shahin. Elias is taller than Haroon. Haroon is shorter than Navid. Shahin and Navid have same height. If the above is true, which of the conditions must also be true?

ক) Elias is taller than navid খ) Elias is taller than Irin. গ) Shahin is shorter than Elias ঘ) IIrin is shorter than Haroon

Logical Reasoning: “Sakki has twenty years of typing experience. Therefore, if you are looking for an efficient typist for your new office, you must hire him.” The statement implies that-

ক) Twenty years of experience ensures typing efficiency খ) Sakil will fit well into the new office গ) Sakil’s job profile is the best that the new office employer is going to get ঘ) Sakii is an accurate typist

Logical Reasoning: Monopoly is characterized by an absence of or decline in competition. The ABC Company realizes that its operations are in competition industries. Which of the following conclusions may be inferred from the above?

ক) ABC’s market is not monopolistic খ) Monopoly is defined as one seller in a market গ) The ABC Company has no domestic competitors ঘ) The ABC Company is publicly owned

Logical Reasoning: All good athletes want to win, and all athletes who want to win eat a wall-balanced diet; therefore, all athletes who do not eat a wall-balanced diet are bad athletes. If the assumptions of the argument are true, then which of the following statement must be true?

ক) No bad athlete wants to win খ) No athlete who does not eat a good athlete গ) Every athlete who eats a well-balanced diet ঘ) All athlete who want to win are good athletes

Logical Reasoning: During the past 19 years computer scientists focused increasingly on starting and running businesses. However since businesses must be profitable, computer scientists must focus on developing products that generate profit. Consequently computer science has lost its creative aspect. Which of the following assumptions is most necessary in order for the conclusion above to be drawn from the argument above?

ক) All computer programs must lack creativity in order to be well received খ) some computer scientists disregarded creativity and choose instead to pursue profit গ) Computer scientists are obsessed with the profitability of their work ঘ) A program cannot be both creative and profitable

Logical Reasoning: A doctor asked his patient “Do you high blood pressure”? The patient replied, “I have not seen a Doctor”. What can be concluded from the conversation?

ক) The patient did not answer the question directly খ) Having high blood pressure is normal গ) The patient has never seen any doctor ঘ) The patient has high blood pressure

Logical Reasoning: Cars are safer than planes. Fifty percent of plane accidents result in death. While only one percent of car accidents result in death. Which of the following, if true, would most seriously weaken the argument above?

ক) Planes are more inspected than cars খ) the number of car accidents is several hundred thousand times than the number of plane accidents গ) pilots never flies under the influence of alcohol, while car drivers often do ঘ) planes carry more passenger than cars do

Logical Reasoning: Follow the conversation between Rahim and Karim carefully: Rahim: we have too many people working on each of our computer in the office . The high frequency of breakdowns is due to too many people handling the same hard ware Karim: We have just as many people working in our office ,yet we hardly need any repairs to our systems. Our systems must be more robust than yours. karim’s arguments would be most strengthened by providing data on the-

ক) Number of computers in Rahim’s office খ) Number of visits by computer engineers to service the computers in Rahim’s office গ) Actual number of computers in two office ঘ) Ratio of computers to users in his office

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

অ্যাপ ইন্সটল করুন

Logical Reasoning: The prices of seasonal vegetables increased considerably during last summer in bangladesh since there was tremendous increase in the temperature during last summer which greatly damaged crops. The statements above, if true, best support which of the following facts?

ক) There is no relationship between damage to crops and price increase খ) both price increase and damage to crops due to high temparature are independent causes গ) price increase is cause and damage to crops due to high temperature is its effect ঘ) Damage to crops due to high temperature is the cause and price increase is its effect

Logical Reasoning: While moving eastwards, as and When the international dateline is crossed, one has to add_____

ক) one day খ) half a hour গ) six hours ঘ) three hours

In a class of 120 students, 60 percent can speak French and the rest can speak only English. If 25 percent of those in the class who can speak French can also speak English, how many of the students in the class can speak class?

ক) 54 খ) 60 গ) 90 ঘ) 78

Three workers can do a job in 12 days. Two of the workers work twice as fast as the third, how long would one of the faster workers take to do the job himself?

ক) 36 খ) 32 গ) 30 ঘ) 24

ব্যাখ্যা (Explanation)

1 faster person = 2 slower person so , 2 faster +one slower = 5 slower person 5 slower person can do the work in 12 days 1 ,, ,, ,, ,, 12X5 days= 60 day as, 2 slower = 1 faster then , 1 faster person can do the work in 60/2 = 30 days

A fraction becomes 4 when 1 is added to both the numerator and denominator and it becomes 7 when 1 is subtracted from both the numerator and the denominator. The numerator of the fraction is------

ক) 2 খ) 3 গ) 7 ঘ) 9

ব্যাখ্যা (Explanation)

suppose the fraction is x/y

if, x+1/y+1 = 4 or,y=(x-3)/4 again, x-1/y-1=7 or, y=(x+6)/7 or, (x-3)/4=(x+6)/7 or, x=15

A wholesale dealer earns a profit of 20% by selling watches to a retailer. The retailer makes a profit of 30% by selling it to customers. What is the cost of the dealer for a watch that is sold by retailer for Taka 312?

ক) Tk. 250 খ) Tk. 200 গ) Tk. 225 ঘ) Tk. 300

ব্যাখ্যা (Explanation)

Dealer এর cost x টাকা হলে , in 20% profit , price =(x+x X 20/100)=x+x/5= 6x/5 when cost 6x/5 then if profit 30% then cost =6x/5+( 6x/5 X 30/100)= 6x/5+18X/50 here, 6x/5+6x+5+18X/50=312 or, x = 200

A 105 meter rope is cut into three pieces three pieces with each piece twice as long as the previous one. How long is the middle piece?

ক) 20 খ) 25 গ) 35 ঘ) 30

ব্যাখ্যা (Explanation)

প্রথম টুকরা x , ২য় টুকরা ২x, ৩য় টুকরা 4x শর্ত মতে , x+2x+4x=105 then, 7x= 105 x=15 মধ্য টুকরা = 15 x 2 = 60

Sohan is now 10 years younger than Jashim. If in 5 years Jashim will be twice as old as Sohan,how old will Sohan be in 3 years?

ক) 8 খ) 6 গ) 14 ঘ) 15

ব্যাখ্যা (Explanation)

s+10 = j.......(i) 2(s+5)=j+5 or,j=2s+10-5....(ii) comparing i and ii s+10=2s+5 or, s=5 after 3 years, sohans age =5+3=8

A 108 meter long train running at a speed of 50 km/hr crosses another 112 meter long train coming from opposite direction in 6 seconds. The speed of the second train is:

ক) 48km/hr খ) 54km/hr গ) 66km/hr ঘ) 82 km/hr

The seventh number in a sequence of number is And each number after the first number in the sequence is 4 less the number immediately preceding it. What is the fourth number in the sequence?

ক) 15 খ) 19 গ) 35 ঘ) 43

ব্যাখ্যা (Explanation)

7th number = 31 6th “ = 35 5th number = 39 4th number = 43

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

অ্যাপ ইন্সটল করুন

The percentage of profit earned by selling an article for Tk. 1920 is equal to the percentage of loss incurred by selling the same article for Tk. What should be the selling price of this article in order to make a profit of 25%?

ক) 2200 খ) 2000 গ) 2400 ঘ) 2460

ব্যাখ্যা (Explanation)

লাভ ও ক্ষতি সমপরিমাণ বলে , ক্রয়মূল্য = 1920+1280/2= 1600 tk 25% লাভে বিক্রয়মুল্য= 1600 +1600 x 25/100 = 2000 tk

Which one is true for the mathematical expression 14(4^x)²/(16^x+1-2^x+18^x)

ক) 2 খ) 14 গ) 1 ঘ) 24x

ব্যাখ্যা (Explanation)

14(4x)2/(16x+1-2x+18x)

= 14 X (22x)2/24x+4-2x+1+3x =14 x 24x/24x.24-24x.2 =14x24x/24x(16-2) =14x24x/14x24x =1

If √x + (1/√x) = 3 then x⁴ + (1/x⁴) = ?

ক) 2307 খ) 2507 গ) 2207 ঘ) 2019

ব্যাখ্যা (Explanation)

√x + (1/√x) = 3 or, (√x + 1/√x)2=9 or, x+ 1/x +2=9 or,x+1/x=7 or(x+1/x)2=49 or,x2 + 1/x2 + 2 = 49 or, x2 +1/x2 = 47 or, (x2+1/x2)2=(47)2 or,x4+1/x4+2=2209 or, x4+1/x4 =2209-2=2207

If y=6^x, then 6y equals: