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The Term Grand Slam is associated with which of the following sports Correct Answer Tennis Grand Slam (tennis) The Grand Slam tournaments, also called majors, are the four most important annual tennis events.

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Humidity is measured by which of the following instrument ? Correct Answer Hygrometer A hygrometer is an instrument used to measure relative humidity. Humidity is the measure of the amount of moisture in the air. A psychrometer is an example of a hygrometer.

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Which Apollo mission was the first manned mission to land on the moon in July 1969 ? Correct Answer Apollo 11 Lunar Landing Mission: Apollo 11 was the first manned mission to land on the Moon. The first steps by humans on another planetary body were taken by Neil Armstrong and Buzz Aldrin on July 20, 1969. The astronauts also returned to Earth the first samples from another planetary body.

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Rabindranath Tagore was awarded Noble Prize for his literacy work named Correct Answer Geetanjali Poet Rabindranath Tagore won the Nobel Prize for Literature in 1913 for his collection Gitanjali published in London in 1912. The prize gained even more significance by being given to an Indian for the first time.

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Profits of a firm that are distributed or given out to its investors are called Correct Answer Dividends Stock or scrip dividends are those paid out in the form of additional shares of the issuing corporation, or another corporation (such as its subsidiary corporation). They are usually issued in proportion to shares owned (for example, for every 100 shares of stock owned, a 5% stock dividend will yield 5 extra shares).

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The headquarter of European Central Bank is located in Correct Answer Frankfurt The seat of the European Central Bank houses the headquarters of the European Central Bank (ECB). It is located in Ostend ("East End"), Frankfurt, Germany.

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World Intellectual Property Right day is observe - Correct Answer 26 April World Intellectual Property Day is observed annually on 26 April. 26 April was chosen as the date for World Intellectual Property Day because it coincides with the date on which the Convention Establishing the World Intellectual Property Organization entered into force in 1970.

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The Harry Potter series is written by Correct Answer JK Rowling J.K. Rowling first had the idea for Harry Potter while delayed on a train travelling from Manchester to London King's Cross in 1990. Over the next five years, she began to plan out the seven books of the series. She wrote mostly in longhand and amassed a mountain of notes, many of which were on scraps of paper.

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Which country is the originator of the high speed "Bullet Train" ? Correct Answer Japan The first high - speed rail system, the Tōkaidō Shinkansen, began operations in Japan in 1964 and was widely known as the bullet train.

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Which one of the following is not the official language of United Nations Organizations ? Correct Answer Portuguese There are six official languages of the UN. These are Arabic, Chinese, English, French, Russian and Spanish.

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The largest river in the world is Correct Answer Nile The Nile, a north - flowing river in Africa, is among the world’s longest waterways, famed for its ancient history and the archaeological sites along its shores. The fertile Lower Nile gave rise to early Egyptian civilization and is still home to the Great Pyramids and Sphinx of Giza near Cairo. Sightseeing boats, from luxury liners to traditional felucca sailboats, also cruise between the cities of Luxor and Aswan. Length: 6,650 km 2nd source: Blue Nile Mouth: Mediterranean Sea Sources: Blue Nile River, White Nile Cities: Cairo, Khartoum, Jinja, Juba Countries: Egypt, Sudan

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Who developed Yahoo ? Correct Answer Savid Filo & Jerry Yang Yahoo! was started at Stanford University. It was founded in January 1994 by Jerry Yang and David Filo, who were Electrical Engineering graduate students when they created a website named "Jerry and David's Guide to the World Wide Web".

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The acronym STD on Telephone booth stands for Correct Answer Subscriber Telephone Dial The acronym STD on Telephone booth stands for Subscriber Telephone Dial.

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What does DOCSIS stand for ? Correct Answer Data Over Cable Service Interface Specification Data Over Cable Service Interface Specification, or DOCSIS, is an international telecommunications standard that allows for the addition of high - bandwidth data transfer to an existing coaxial cable TV system.

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'INI' extension refers usually to what kind of file ? Correct Answer System file SYSTEM.INI was an initialization (INI file) used in early versions of Microsoft Windows (from 1.01 up to Me) to load device drivers and the default Windows shell (Program Manager or Windows Explorer), among other system settings. Many of these settings were honored in Windows 9x (95, 98 and Me), although the INI files had begun to be phased out in favor of the Windows Registry. Windows NT 4.0, 2000, XP and Server 2003 still acknowledge some SYSTEM.INI entries in order to provide backwards compatibility with older 16 - bit applications. Windows Vista and beyond also have SYSTEM.INI as well. However, when a fresh install of XP/Server 2003 is performed, the SYSTEM.INI file created contains by default only these lines:

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'OS' computer abbreviation usually means ? Correct Answer Operating System OS computer Abbreviation usually means OPERATING SYSTEM. An Operating system is integrated set of programs that is used to manage the various resources and overall operations of a computer system.

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'RAK' extension refers usually to what kind of file ? Correct Answer Backup file File backup is a duplicate copy of your data that can be used to recover your files or even an entire hard drive after a data loss event. A cloud backup is the same as your file backup, only stored online in a network of offsite servers operated by a cloud storage provider.

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What is the term to ask the computer to put information in order numerically or alphabetically ? Correct Answer Sort In computer science, a sorting algorithm is an algorithm that puts elements of a list in a certain order. The most frequently used orders are numerical order and lexicographical order. Efficient sorting is important for optimizing the efficiency of other algorithms that require input data to be in sorted lists.

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'DB' computer abbreviation usually means ? Correct Answer Database ডেটাবেজ ( Database) হল কোন কম্পিউটার সিস্টেমে সঞ্চিত উপাত্ত বা রেকর্ডসমূহের একটি কাঠামোবদ্ধ সংগ্রহ। উপাত্তকে একটি উপাত্ত মডেল অনুসারে সাজিয়ে এই কাঠামোটি অর্জন করা হয়। বর্তমানে সবচেয়ে বেশি প্রচলিত উপাত্ত মডেল হল সাম্পর্কিক বা রিলেশনাল মডেল। অন্যান্য মডেল, যেমন স্তরক্রমিক বা হায়ারার্কিকাল মডেল এবং নেটওয়ার্ক মডেল, উপাত্তসমূহের মধ্যকার সম্পর্ক অপেক্ষাকৃত স্পষ্টভাবে উপস্থাপন (explicit representation) করে।

Explanation:

What is the probability that the product of two integers ( not necessarily different integers ) randomly selected from the numbers 1 through 20, inclusive , is odd ? Correct Answer 1/4 Total integers; 20 even = odd = 10 Since odd x odd = odd and since half the integers 1 to 20 are odd, the probability of selecting two odd integers is 1/2 x 1/2 = 1/4.

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Who co-created the UNIX operating system in 1969 with Dennis Ritchie ? Correct Answer Ken Thompson Unix is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

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The product of two numbers x and y is twice the sum of the numbers. What is the sum of the reciprocals of x and y ? Correct Answer 1/2 xy = 2(x + y) (x + y)/xy = 2 1/x + 1/y = 1/2

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The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child ? Correct Answer 4 Let ages of children are x, X + 3, X + 6, X + 9, X + 12 respectively. Now, X + X + 3 + X + 6 + X + 9 + X + 12 = 50 5X + 30 = 50 5X = 20 X = 4 Age of the youngest child is 4 years.

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How many different six-digit numbers can be formed using all of the following digits : 3, 3, 4, 4, 4, 5 ........ Correct Answer 60 There are 6 digits among them 2 threes and 3 fours in them total numbers = 6!/(2!x3!) = 60

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Pick the odd one out - 331, 482, 551, 263, 383, 242, 111 Correct Answer 383 In each number except 383, the product of first and third digits is the middle one.

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In 2007, the arithmetic mean of the annual incomes of Rahim and Karim was Taka 3800 . The arithmetic mean of the annual incomes of Karim and Ripon was Ripon and Rahim was TaKa5800. What is the arithmetic mean of the incomes of the three ? Correct Answer 4800 (Rahim + karim)/2 + (Karim + ripon)/2 + (Ripon + Rahim)/2 = 3800 + 4800 + 5800 So, (Rahim + Karim + Ripon)/3 = 14400/3 = 4800

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In a set of three numbers, the average of first two numbers is 2. The average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers ? Correct Answer 3 x + y/2 + (y + z)/2 + (z + x)/2 = 2 + 3 + 4 x + y + z = 9 avg = (x + y + z)/3 = 3

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The total income of Mr. Sakib in the years 2003 , 2004, and 2005 was TaKa 36,400 . His income increased by 20% each year. What was his income in 2005 ? Correct Answer 14400 Income in 2003 = x Income in 2004 = .20x + x income in 2005 = (x + .20x) + .20(x + .20x) Now,x + .20x + x + x + .20x + .20x + .04x = 36400 x = 10000 income in 2005 = 14400

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A total of TaKa 1200 is deposited in two savings accounts for one year, part at 5% and the remainder at 7% . If TaKa 72 was earned in interest , how much was deposited at 5% ? Correct Answer 600 Let x amount on 5% interest 1200 - x at 7% So, 0.05x + (1200 - x)*0.07 = 72 0.02x = 12 x = 600

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The different between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of its of that number ? Correct Answer 4 Let the ten's digit be x and unit's digit be y. Then, (10x + y) - (10y + x) = 36 ⇒ 9(x - y) = 36 ⇒ x - y = 4

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How many of the integers between 110 and 120 are prime numbers ? Correct Answer 1 The only prime number between 110 and 120 is 113.

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From a group of 7 men and 6 women, five persons are to be selected to from a committee so that at least 3 men are there on the committee. In how many ways can it be done ? Correct Answer 756 The number of ways = 7C3 x 6C2 + 7C4 x 6C1 + 7C5 x 6C0 = 525 + 210 + 21 = 756.

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What is the missing number in the following series ? 1, 4, 9, ?, 25 Correct Answer 16 12 = 1 22 = 4 32 = 9 42 = 16 [ correct] 52 = 25

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A train which travels at a uniform speed due to some mechanical fault after traveling for an hour goes at 3/5th of the original speed and reached the destination 2 hours late. If the fault had occurred after traveling another 50 miles, the train would ha Correct Answer 300 Let, the original speed is x and 3/5 th of original speed is 0.6x50/0.6x - 50/x = 40/60(250 - 150)/3x = 2/3100/3x = 2/36x = 300x = 503/5 of 50 = 30speed reduces by = 50 - 30 = 20It is late by 2 hours and by this time it goes 30*2 = 60If the train goes with its original speed it took 60/20 = 3 hours after the first hour. That means total 4 hours.Therefore, total distance covered

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M goes to the gym every fourth day . E's exercise routine is to go every third day. Today is Monday and both M and E are at the gym. What will the day of the week be the next time they are BOTH at gym ? Correct Answer Saturday L.C.M of 4 and 3 is 12. If today is Monday then 12th day is Saturday.

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Who is the president of the "Executive Committee of the National Economic Council" of Bangladesh ? Correct Answer Prime Minister Bangladesh Planning Commission (denoted as PC) is the economic public policy institution of the Government of Bangladesh. The Planning Commission undertakes research studies and policy development initiatives for the growth of national economy and the expansion of the public infrastructure of the country, in tandem under the Ministry of Planning and alongside the Ministry of Finance. In addition, the planning division of the Planning Commission serves as the secretariat for all major economic policy questions and for initiating the appraisal of development projects and programmes by: National Economic Council (NEC) Executive Committee of the National Economic Council (ECNEC)

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Which Bangladeshi engineer is the designer of record (DOR) of the planned large US civil work in Louisiana Correct Answer A F Rahaman Fazlur Rahman Khan was a Bangladeshi - American structural engineer and architect, who initiated important structural systems for skyscrapers. Considered the "father of tubular designs" for high - rises, Khan was also a pioneer in computer - aided design (CAD).

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Choose the pair of numbers which comes next : 75, 65, 85, 55, 45, 85, 35, .......? Correct Answer 25, 85 75, 55, 35 65, 45, 25 85, 85, 85

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What is the size of Annual Development Programme for Bangladesh for FY 2001-12 ? Correct Answer Taka 256.11 Billion ২০১৭ - ১৮ অর্থবছরের বাজেটে Annual Development Programme ধরা হয়েছে ১,৫৩,৩৩১ কোটি টাকা।

Explanation:

What is the name of the present regulatory agency for the insurance sector in Bangladesh ? Correct Answer Insurance Development and Regulatory Authority ২৬ জানুয়ারি ২০১১ গাঠিত সংস্থাটির নাম Insurance Development & Regulatory Authority বা বীমা উন্নয়ন ও নিয়ন্ত্রক কর্তৃপক্ষ ।

Explanation:

Who won the Nobel Prize in Economics in 2010 ? Correct Answer A, B and C ২০১৭ সালে অর্থনীতিতে নোবেল পুরস্কার লাভ করেন (রিচার্ড এইচ থেলার (যুক্তরাষ্ট্র)।

Explanation:

Pixel of a color monitor consist of how many color dots ? Correct Answer 3 A monitor or TV screen generates three colors of light (red, green, and blue) and the different colors we see are due to different combinations and intensities of these three primary colors. Each pixel on a computer screen is composed of three small dots of compounds called phosphors surrounded by a black mask.

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The ratio of the number of red balls , to yellow balls , to green balls in an urn is 2 : 3 : 4 . What is the probability that a ball chosen at random from the urn is a red ball ? Correct Answer 5/9 total = 9 balls red; 2/9

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After replacing an old member by a new member , it was found that the average age of five members of a club is the same as it was 3 years ago . What is the difference between the ages of the old and the new member ? Correct Answer 15 year Age decreased = (5 × 3) years = 15 years So, the required difference = 15 years

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If for integer x, 5 < x < 10 and y = x + 5. What is the greatest possible value of x + y ? Correct Answer 23 Since y = x + 5y = x + 5 then x + y = x + (x + 5) = 2x + 5x + y = x + (x + 5) = 2x + 5. So, we need to find the greatest possible integer value of 2x + 52x + 5. Multiply 5

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The selling price of 15 items equals the cost of 20 items. What is the percentage profit earned by the seller ? Correct Answer 33.3% 20 - 15 = 5 item So,the percentage profit earned is 5/15x100 = 33.3%