Explanation:

Cheese, egg and beef sandwiches were made for a picnic in a ratio of 5 to 7 to 8. If a total of 120 sandwiches were made, how many egg sandwiches were made ? Correct Answer 42 Egg Sandwiches = (120*7)/20 = 42

Explanation:

Saif, Dr. Nazma and Shakil divided a sum of money among themselves in the ratio 2:3:7 . Find the share of Saif if the total share of Saif and Dr. Nazma together is TK. 1500 less than that of Shakil. Correct Answer TK. 15000 [ বি. দ্র. : প্রশ্নে সঠিক উওর দেয়া নাই। সঠিক উওর হবে ১৫০০ টাকা। যেখানে মোট টাকার পরিমাণ ৯০০০ টাকা, সেখানে সাইফের অংশ কোনভাবেই ১৫০০০ হওয়া সম্ভব নয়। নিচে এর ব্যাখ্যা দেয়া হল...] ধরি, মোট টাকার পরিমাণ x আনুপাতিক রাশিগুলোর যোগফল = 2 + 3 + 7 = 12 সাইফের অংশ = x এর 2/12 = x/6 ডা. নাজমার অংশ = x এর 3/12 = x/4 শাকিলের অংশ = x এর 7/12 = 7x/12 প্রশ্নমতে, 7x/12 - ( x/6 + x/4) = 1500 = > 7x/12 - 5x/12 = 1500 = > 2x/12 = 1500 = > x/6 = 1500 = > x = 9000 মোট টাকার পরিমাণ 9000 টাকা৷ সাইফের অংশ = x/6 = 9000/6 = 1500 টাকা (উওর) ডা. নাজমার অংশ = x/4 = 9000/4 = 2250 টাকা শাকিলের অংশ = 7x/12 = 7*9000/12 = 5250 টাকা 1500 + 2250 + 5250 = 9000 টাকা। সে হিসেবে আমার মতামত, এই প্রশ্নের অপশনে ভুল আছে। সঠিক উওরটি নেই। সঠিক উওর হবে ১৫০০ টাকা।

Explanation:

A football team plays 154 games in a year. If till July the team has won 40 and lost 20 games , how many of the remaining games the team must win to finish the year winning nearly 50% of the games ? Correct Answer 37 50% of the games = 50% of 154 = 50/100×154 = 77 Number of games the team must win = 77 - 40 = 37

Explanation:

A sink contains exactly 12 liters of water. If water is drained from the sink until it holds exactly 6 liters of water less than the quantity of water drained away, how many liters of water were drained away ? Correct Answer 9 মনে করি, পানি ড্রেইন হয়ে যায় : 'ক' পরিমান পাত্রে পানি অবশিষ্ট থাকে = ক - ৬ মোট পানির পরিমান = ক + ক - ৬ প্রশ্নমতে, মোট পানি = মোট পানি ১২ = ২ক - ৬ = > ২ক = ১৮ = >ক = ৯ উত্তর : ৯

Explanation:

Saif charges TK. 5.00 for every hour he works. Last week he worked for 8 hours. He spent TK. 12.00 of the money he earned . which expression could be used to find how much money he had left ? Correct Answer TK.5.00×8-TK.12.00 remaining  money = total money that he earned - money that he spent                                    = Tk 5.00*8 - Tk 12.00

Explanation:

As labor costs, an electrician charges TK. 36.50 per hour for himself and TK. 27.50 per hour for his assistant . What would be the total labor cost for a job taking 61 hours ? Correct Answer TK. 4160.00 Cost per hour = 36.50 + 27.50 = 64 TK. Total cost = 64×61 = 3904 TK

Explanation:

Harun wants to buy a dress priced at TK. 89.75. If the sales tax is 8% , what is the total amount he must pay for the dress ? Correct Answer TK. 96.93 He must pay = 89.75 + 8% of 89.75 = 89.75 + 8/100×89.75 = 89.75 + 7.18 = 96.93 TK

Explanation:

Mr. Mamun bought 73 rolls of film. He can take 24 pictures with each roll of film. What is the total number of pictures he can take with 73 rolls of film ? Correct Answer 1,752 1 roll contain = 24 pictures73 rolls contain = 73*24                              = 1,752 pictures (Ans.)

Explanation:

Letter of credit (LC) is - Correct Answer An instrument issued by a purchaser to guarantee payment. A letter of credit, or "credit letter" is a letter from a bank guaranteeing that a buyer's payment to a seller will be received on time and for the correct amount. In the event that the buyer is unable to make a payment on the purchase, the bank will be required to cover the full or remaining amount of the purchase.

Explanation:

CAMEL rating is a system that - Correct Answer Assigns a numerical rating to banks The CAMELS rating system assesses the strength of a bank through six categories. CAMELS is an acronym for capital adequacy, assets, management capability, earnings, liquidity, sensitivity. The rating system is on a scale of one to five, with one being the best rating and five being the worst rating.

Explanation:

ATM stands for Correct Answer Automated teller machine An automated teller machine (ATM) is an electronic banking outlet that allows customers to complete basic transactions without the aid of a branch representative or teller.

Explanation:

The worst nuclear power plant accident so far occurred in - Correct Answer Chernobil Worldwide, many nuclear accidents and serious incidents have occurred before and since the Chernobyl disaster in 1986. Two thirds of these mishaps occurred in the US. The French Atomic Energy Commission (CEA) has concluded that technical innovation cannot eliminate the risk of human errors in nuclear plant operation.

Explanation:

NAFTA stands for- Correct Answer North American Free Trade Agreement The North American Free Trade Agreement (NAFTA) is a treaty between the United States, Canada, and Mexico, which agrees to remove trade barriers between them. Features of NAFTA include the elimination of tariffs on imports and exports between the three countries.

Explanation:

Bank rate means - Correct Answer Interest rate at which Bangladesh Bank lend money to other Banks Bank rate is the rate charged by the central bank for lending funds to commercial banks. Higher bank rate will translate to higher lending rates by the banks. In order to curb liquidity, the central bank can resort to raising the bank rate and vice versa.

Explanation:

In a random survey, 25 out of 150 people were able to give a correct answer to the question asked. If 500 people are surveyed , about how many would be expected to answer the question correctly ? Correct Answer 83 Among 150, number of people giving correct answer = 25 Therefore, number of people expected to answer correctly = (25/150) x 500 ≈ 83.

Explanation:

Last season, Ellen and Janet together won 32 tennis matches . Ellen won 6 more matches than Janet. How many matches did Ellen win ? Correct Answer 19 E + J = 32 E + (E - 6) = 32 2E = 32 + 6 = 38 E = 19.

Explanation:

Which of the following is the longest time? Correct Answer 1,500 minutes 1 day = 24 hours = 24 x 60 minutes = 1440 minutes 10 hours = 10 x 60 minutes = 600 minutes Therefore, 1500 minutes is the longest.

Explanation:

which one is a font file extension ? Correct Answer .ttf Font file extensions vary depending on the type of font file. Here are some of the most common font file extensions:.ttf - TrueType Font file.otf - OpenType Font file.woff - Web Open Font Format file.eot - Embedded OpenType file.svg - Scalable Vector Graphics file (used for web fonts)

Explanation:

Mr. Karim's age is 4 year less than 3 times of Mr. Momen's age. If Mr. Momen is h years old, Which of the following represents Mr. Karim's age ? Correct Answer 3h-4 Karim = 3 x (Momen) - 4 = 3h - 4

Explanation:

Scanner is a (an) - Correct Answer input device An input device is a hardware component of a computer system that is used to input data and commands into the computer. It allows the user to communicate with the computer and provide instructions for processing data. Some common examples of input devices include keyboards, mice, scanners, digital cameras, microphones, and touchscreens.An output device is a hardware component of a computer system that is used to display or produce the results of the computer's processing. It takes data from the computer and converts it into a human-readable or perceivable form, such as text, images, sound, or video.Some common examples of output devices include monitors, printers, speakers, headphones, projectors, and haptic feedback devices.

Explanation:

In company X, the average salary of 10 of the employees is TK. 30,000 the average salary of 30 other employees is TK. 40,000 and the average salary of the remaining 20 employees TK. 60,000. What is the average salary of the 60 employees at the company ? Correct Answer TK. 45,000 The average salary of 60 employees = (10 x 30000 + 30 x 40000 + 20 x 60000)/60 = 45000.

Explanation:

Which one of the following programming languages is not a high level language ? Correct Answer FORTRAN Fortran is a programming language that was designed for scientific and engineering applications. It is one of the oldest high-level programming languages and is still widely used today for numerical computations and simulations.Java is a popular programming language that is used for developing web and mobile applications, games, and other software. Java is known for its platform independence, which means that Java programs can run on any device that has a Java Virtual Machine installed.Oracle is a company that develops and sells a wide range of software products, including databases, middleware, and enterprise software. Oracle also develops the Java programming language and provides various tools and technologies for building and deploying software applications.C++ is a programming language that is widely used for developing operating systems, device drivers, video games, and other software applications. C++ is known for its speed and efficiency, and is a popular choice for performance-critical applications. C++ is an object-oriented programming language, which means that it supports features such as classes, inheritance, and polymorphism.

Explanation:

How many keys are available in the Numerical Key Pad of a standard Key-board ? Correct Answer 17 The numerical keypad, also known as the Numpad, typically contains 17 keys on a standard keyboard. These keys include the digits 0 through 9, a decimal point (or period) key, a plus key, a minus key, a multiply key, a divide key, and enter or return key.

Explanation:

Which one is a Utility Software ? Correct Answer McAfee Utility software is a type of software that is designed to help maintain and optimize a computer's performance. Some common examples of utility software include:Antivirus software - helps protect against viruses, malware, and other security threats.Disk Cleanup - helps free up disk space by removing unnecessary files.Backup software - helps create backups of important data to prevent data loss in case of hardware failure or other issues.System optimization - helps optimize the performance of a computer by cleaning up the registry, defragmenting the hard drive, and managing startup programs.File compression - helps reduce the size of files to save disk space and make them easier to share.

Explanation:

Suppose the value of cell E5 in MS-Excel sheet is 3500. If we apply the formula =IF(E5<20000,E5*10%,ES*20%), what will be the result ? Correct Answer 350 = IF (E5 < 20000, E5 * 10%,E5 * 20%) প্রথমত এটি মাইক্রোসফট এক্সেলের একটি ফর্মুলা। উপরের সমীকরণের সাথে এটি মিলিয়ে দেখলে বোঝা যায় প্রথম অংশটি একটি Condition বা শর্ত। যদি Condition সত্য হয় তাহলে Value_if_true অনুযায়ী Execute হবে। যদি ভুল হয় তবে value_if_false অনুযায়ী Execute হবে। যেহেতু E5 এর মান 3500, সুতরাং E5 এর মান 20000 থেকে ছোট। অর্থাৎ, Condition বা শর্ত True. সেক্ষেত্রে, Value_if_true অনুযায়ী Execute হবে। 3500 এর 10% পার্সেন্ট = 350 হবে উত্তর। উত্তরঃ 350.

Explanation:

The IP address 125.111.5.4 belongs to which of the following class ? Correct Answer Class B The Class A ranges from 1-126, whereas class B ranges from 128-191. So, the answer will be Class A.

Explanation:

Bluetooth operations use - Correct Answer radio technology Bluetooth technology uses short-range wireless communication technology that uses radio waves in the frequency range of 2.4 GHz to 2.485 GHz.

Explanation:

A varsity campus has hundreds of computers and they are interconnected using Windows Operating System . What type of network is it ? Correct Answer LAN Local Area Network (LAN) consisting of multiple interconnected computers running the Windows operating system.A LAN is a type of network that covers a small geographic area, such as a campus, office building, or group of buildings. It allows computers to share resources such as files, printers, and internet connectivity.Windows is a popular operating system for LANs because it includes built-in networking features and tools for managing network connections, file sharing, and security.Therefore, it can be inferred that the network on the varsity campus is a LAN, specifically an Ethernet-based LAN running the Windows operating system.

Explanation:

All the Banking ATMs accept- Correct Answer both debit card and credit card An automated teller machine (ATM) is an electronic banking outlet that allows customers to complete basic transactions without the aid of a branch representative or teller. Anyone with a credit card or debit card can access cash at most ATMs.

Explanation:

At the same time that a 60-feet tall building casts a shadow that 21.5 feet long, a nearby tree casts a shadow that is 18 feet long . Which measure is closest to the height of the tree ? Correct Answer 50.2 ft Two similar right angle triangles can be drawn from the given information. Now, height of the tree/height of the building = shadow of the tree/ shadow of the building Therefore, height of the tree = (18/21.5) x 60 = 50.2

Explanation:

POST means - Correct Answer None of the above POST: Power On Self Test. কম্পিউটার স্টার্ট হওয়ার সময় BIOS কাজ করে। এটি BIOS এর প্রোগ্রামের একটি অংশ।

Explanation:

Which of the following cards can be used in POS terminal in order to pay for purchasing goods ? Correct Answer Debit Card and Credit Card A debit card (also known as a bank card, plastic card or check card) is a plastic payment card that can be used instead of cash when making purchases. It is similar to a credit card, but unlike a credit card, the money is immediately transferred directly from the cardholder's bank account to pay for the transaction.

Explanation:

The average weight of 3 young men is 53 kg. No one of them weight less than 51 kg. What is the maximum weight of any one man ? Correct Answer 57 (51 + 51 + x)/3 = 53 = > 51 + 51 + x = 159 = > 102 + x = 159 = > x = 159 - 102 x = 57

Explanation:

A cake is made into 18 pieces . If syma takes 1/3 of the cake and Robin takes 1/3 of the rest that are left, how many pieces are still left ? Correct Answer 8 Syma takes = 1/3×18 = 6 pieces Robin takes = 1/3×(18 - 6) = 1/3×12 = 4 pieces Pieces still left = 18 - (6 + 4) = 18 - 10 = 8

Explanation:

There are 20 members on a football squad. In electing a captain and a vice-captain, how many different outcomes of the election are possible ? Correct Answer 190 Required Number = 20C18                                  = 20!18!(20-2)!                                  = 20!18! 2!                                   = 20×19×18!18!×2                                   = 190 (Ans)

Explanation:

If 4 is subtracted from one-fourth of a number, the result is 20. Which of the following in the number ? Correct Answer 96 Let the number be X. ATQ, X/4 - 4 = 20 or, X/4 = 20 + 4 or, X = 24 x 4 = 96

Explanation:

Out of a group of 80 applicants for a public service examination, 20 persons failed to appear for the first part of the test. What percent of the total applicants appeared for this part of the test ? Correct Answer 75% Total Students = 80 personFailed = 20  personAppeared = 80-20 = 60 person Percentage = 60×10080                       = 75% (Ans)

Explanation:

Mr. Rahim who is 28 years of age has a son who is 4 years old. In how many years will Mr. Rahim be 4 times as old as his son ? Correct Answer 4 Let, after x years Mr. Rahman will be 4 times as old as his son. So, 4(4 + x) = 28 + x or, 16 + 4x = 28 + X or, 4x - x = 28 - 16 or, 3x = 12 or, x = 4 Therefore, after 4 years Mr. Rahman will be 4 times as old as his son and that is answer option (d).

Explanation:

B and C are points on straight line AD, on which AB=BC=CD. What percent of AC is AD ? Correct Answer 150% A-----B-----C-----DLet,  AB=BC=CD=xAC = AB + BC = x+x = 2xAD = AB + BC+CD = x+x+x = 3x let, AC * P% = AD(2x * P)/100 = 3xP = 150 % (Ans)

Explanation:

If the diameter of a circle is doubled the area will be - Correct Answer 4 Times Area of a circle is propotional to the square of the diameter. So, if the diameter of a square is doubled, its area will be quadrupled or 4 times.