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A jar contains 4 red toothpicks , 10 blue toothpicks and 6 yellow toothpicks. If three toothpicks are removed from the bag at random and no toothpick is returned to the bag after removal, what is the probability that all three toothpicks will be blue? Correct Answer 2/19 Probability = (10/20) × (9/19)×( 8/18) = 2/19

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If x=2y =3z and xyz =36 , what is the value of z? Correct Answer 2 Here., x = 2y = 3z x = 3z and, 2y = 3z y = 3/2 z xyz = 36 3z× 3/2 z × z = 36 9z3 = 72 z = 2

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Afia can do her term paper in 15 days which takes Babul 20 days to finish . What is the fraction of work left if both afia & Babul work together for 4 days? Correct Answer 8/15 In 15 days Afia does 1 portion In 4 days Afia does 4/15 portion Again, In 20 day's Babul does 1 portion In 4 days Babul does 4 /20 portion Afia and Babul work together in 4 days = 4/15 + 4/20 = 7/15 portion left = 1 - 7/15 = 8/15 portion.

Explanation:

A survey of City A found an average of 3.2 people per household and an average of 1.2 DVD players per household . If 48,000 people live in City A, how many DVD players are there in City A? Correct Answer 18,000 3.2 people live in 1 house hold 1 people live in 1/3.2 house hold 48000 people live in 48000/3.2 house hold = 15000 house hold 1 house hold contain 1.2 DVD 15000 house hold contain. = ( 1.2 ×15000) = 18, 000 house hold

Explanation:

3 , 12, 30,. 39 are the first five terms of a sequence . Each term after the first is obtained by adding 9 to the term immediately preceding it .which term in the sequence is equal to 3 + (33 -1) 9? Correct Answer 33rd First, term, = 3 General difference = 12 - 3 = 9 Here, 3 + ( 33 - 1) 9 = 3 + 32 × 9 = 291 nth term = a + ( n - 1) d 291 = 3 + ( n - 1) 9 n - 1 = 32 n = 33

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At a party, everyone shook hands with everybody else. If there were 66 handshakes, how many people were at they party? Correct Answer 12 12C2 = 12 ×11 / 2 = 66 handshakes So, total number of people in the party were 12.

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Mr. Ahsan is insured competely for Tk. 50,000 of damages to his car. For any damage avove Tk. 50,000 the insurance company will pay tk 50,000 plus 20% of the rest of the company. what was the total amount of the damage estimated? Correct Answer Tk.80,000 Damage insured = Tk. 50000 Damage paid by company = Tk. 56000 Damage extra paid = 6000 Now, 20% = 6000 10% = ( 6000×100)/20 = 30000 Total estimated damage = Tk ( 50, 000 + 30, 000) = Tk. 80, 000

Explanation:

In a college, 45% of the students are boys. If 40% of the boys and 20% of the girls went on a picnic, what percentage of the total students went to the picnic? Correct Answer 29% Boy's 45%, So, Girls = ( 100 - 45) % = 55% Boy's went to picnic = 45% of 40% = 18% Girls went to picnic = 55% of 20% = 11% Total students went on a picnic = ( 18 + 11) % = 29 %

Explanation:

present age of Farzana is thrice the present age of Samira who is 20. How many years ago were the age of Farzana five times that of Samira? Correct Answer 10 Here, Samiras age = 20 years Farzana age = ( 20×3) years = 60 years Let, x years age Farzana was five times of Samira According to question, (20 - x) 5 = 60 - x 100 - 5x = 60 - x 4x = 40 x = 10

Explanation:

Buffet dinner at a restaurant costs Tk 35.50 . If the sales tax was more than 10 percent but less than 15 percent of the pre-tax cost of the dinner, then the total amount paid must have been between-- Correct Answer Tk 39 & Tk 41 The minimum value of 10% including tax = 35.50 + 3.55 = 39.05 and the maximum value of 15% including tax = 35.50 + 5.325 = 40.825 So, the total amount will be paid Tk. 39 and tk. 41

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A two -digit number is such that the product of the digits is 8. when 18 is added to the number , then the digits are reversed. what is the number? Correct Answer 24 Quickly add 18 to the given answer 24 + 18 = 42 digits are reversed.

Explanation:

Baki lives 2 miles west of Raju's house. Rafiq lives 3 mniles north of Raju's house and 2 miles west of Diba's house. What is the straight-line distance from Bakis's house to Diba's house? Correct Answer 5 miles From pithagorous theorem, Distance = root (4)2 + (3)2 = 5 miles

Explanation:

Eight people are planning to share equally the cost of a rental car . If one person withdraws from the arrangement and the others share equally the entire cost of the car ,then the share of each of the remaining persons will be increased by - Correct Answer 1/7 Original share of 1 person = 1/8 New share of 1 person = 1/7 Increase = ( 1/7 - 1/8) = 1/56 Required fraction = (1/56) / (1/8) = 1/7

Explanation:

What is the minimum number of chocolates that must be added to an existing stock of 966 chocolates, so that the total stock can be equally distributed among 6 ,7 , 8 or 9 persons? Correct Answer 42 6, 7, 8, 9 L.C.M = 2×3×7×4×3 = 504 Existing stock = 966 So, minimum number of chocolates require = ( 504×2) - 966 = 42

Explanation:

The present ages of three persons are in the ratio of 4: 7:9 Eight years ago, the sum of their ages was 56. what are their present ages in years? Correct Answer 16, 28, 36 Let, their present ages be, 4x, 7x, 9x respectively Then, ( 4x - 8) + ( 7x - 8) + ( 9x - 8) = 56 20x = 80 x = 4 Present ages are 4x = 16, 7x = 28 and 9x = 36 years

Explanation:

A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 percent larger than the original. By what percentage has the area of the logo increased? Correct Answer 125 Original area = A1 = π(d1)2/4 New area = A2 = π(d2)2/4 A1/A2 = d22/d12 = (1.5)2 = 2.25 A2 = 2.25A1 So, increase = 2.25A1 - A1 = 1.25A1 This is an increase of 125%

Explanation:

A can do a piece of work in 4 hours, B and C together can do it in 3 hours , while A and C together can do it in 2 hours. How long will B alone take to do it? Correct Answer 12 hours A 1 hour work = 1/4 (B + C) 1 hour work = 1/3 (A + C) 1 hour work = 1/2 (A + B + C) 1 hour work = (1/4 + 1/3) = 7/12 B 1 hour work = ( 7/12 - 1/2) = 1/12 B alone will take 12 hour to do the work.

Explanation:

A water tank can be filled by two pipes A and B in 60 minutes and 40 minutes respectively. How many minutes will it take to fill the tankfrom empty state if B is used for half the time , and A B fill it together for the other half? Correct Answer 30 min Part filled by (A + B) in 1 minute = (1/60 + 1/40) = 1/24 Suppose , the tank is filled in x minutes Then x/2 ( 1/24 + 1/40) = 1 x/2 × 1/15 = 1 x = 30 min

Explanation:

50 men took a dip in a water tank 40m long and 20m broad on a religious day. If the average displacement of water by a man is 4 m3 , then the rise in the water level in the tank will be -- Correct Answer 25 cm Total volume of water displacement = 4×50 = 200m3 Rise of water level = 200/(40×20) m = . 25m = 25 cm

Explanation:

If a person walks at 14 km/jr omstead pf 10 km /hr , he can cover 20 km more. The actual distance traveled by him is-- Correct Answer 50 km Let, the actual distance travelled be x km Then, x/10 = (x + 20)/14 14x = 10x + 200 4x = 200 x = 50 km

Explanation:

what was Bangladesh's sovereingn rating assigned by s&p in the year 2013? Correct Answer BB+ The stable outlook reflects our expectations that prudent macroeconomic policy - setting will prevail and microeconomic reforms to address growth constraints will continue," it said. Globally reputed S&P has a total of 17 ratings categories ranging from AAA to CCC + , and Bangladesh was placed in the 13th category.

Explanation:

A group of students decided to collect as many paisa from each from each member of a group as is th number of members. If the total collection amounts to Tk 59.29 , what is the m=number of members in the group? Correct Answer 77 Money collected = ( 59.29 ×100) paisa = 5929 paisa No of numbers = root(5929) = 77

Explanation:

Industrial Revolution had originated in -- Correct Answer UK This process began in Britain in the 18th century and from there spread to other parts of the world. Although used earlier by French writers, the term Industrial Revolution was first popularized by the English economic historian Arnold Toynbee (1852–83) to describe Britain's economic development from 1760 to 1840.

Explanation:

what is the projected GDP growth rate of the world by IMF for 2014? Correct Answer 3.6% The projected GDP growth rate of the world by IMF for 2016 is 3.4%.

Explanation:

Jamuna bank is a --- generation bank. Correct Answer 2nd Jamuna Bank Ltd., the only Bengali named 3rd generation private commercial bank, was established by a group of local entrepreneurs who are well reputed in the field of trade, commerce, industry and business of the country. The Bank offers both conventional and Islamic banking through designated branches.

Explanation:

which country's diplomat was arrested by USA recently? Correct Answer India নিউইয়র্কে ভারতীয় কনস্যুলেটের ডেপুটি কনসাল জেনারেল দেবযানি খোবরাগাড়েকে আটক করা হয় ১২ ডিসেম্বর ২০১৩। তার বিরুদ্ধে জাল ভিসা ব্যবহার ও ভুল তথ্য প্রদানের অভিযোগ ছিল।

Explanation:

Grameen Bank is regulated directly by-0- Correct Answer Bangladesh Bank Grameen Bank is a microfinance organisation and community development bank founded in Bangladesh. It makes small loans (known as microcredit or "grameencredit" to the impoverished without requiring collateral. Grameenbank is directly by Bangladesh bank.

Explanation:

Some commit suicide because they are unable to tolerate ......... changes in their lives though some are born with a ........ to commit suicide. Correct Answer catastrophic / tendency Suicide for catastrophic changes or simple tendency to do it.

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The invigilating team entered the country with --- notions of the country as ... country where many parents are alleged to have sold their children in exchange for food. Correct Answer preconceived /an impoverished They had belief that the country was poor to sell children.

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Located amidst the green hills of the country , what might have otherwise been ---- tourist spot in---- part o the south assumed the overtones of the battlefield. Correct Answer an impressive /an alien Tourist spots are generally impressive.

Explanation:

what is your busiest day of the week? Correct Answer Tuesday Statistically speaking, the busiest workdays of the week are Monday's, Wednesdays, and Thursday's. The reason for Monday's being busy is because my offices are trying to catch up from any left over work from the previous week.

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He is popular ........... all......... his goodness. Correct Answer with, for There are appropriate use of preposition.

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A mournful poem written on the death of someone loved= Correct Answer Elegy Dictionary definition.

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Someone who attempts to be united with God through prayer= Correct Answer Mystic Dictionary definition.

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Very confident in behavior , or intended to be noticed, espcially by being brightly coloured--- Correct Answer Flamboyant Dictionary definition.

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"check that the door is locked behind you. "If you rewrite the sentence beginning with "make sure that you" what should the next words in the sentence be? Correct Answer have checked that the door was locked Passive form : have checked.

Explanation:

"If your payment is not received in "thirty days, you will be charged" a late fee". which is the best way to write the underlined portion of this sentence? If the original is the best way, choose option (1). Correct Answer thirty days , you will be charged In future “you will be changed”.

Explanation:

"Nahar and Jamil had to work late in order to make their deadline." If you rewrote this sentence beginning with tomorrow evening , the next words should be -- Correct Answer Nahar and Jamil will have to Tomorrow means in the future, so will have to.

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Someone who enjoys or is good at talking with people= Correct Answer Conversationalist Dictionary definition.

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"A list of books about repairing an selling cars are in the file on the table ."which correction should be made to this sentence? Correct Answer change ‘A list’ is a singular noun. So, verb ‘are’ will be replaced by ‘is’.

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"Tomorrow the lines at he department store were longer than we have ever seen". Correct Answer change Tomorrow - were to will be.

Explanation:

Scientists ........... a new planet . Correct Answer have just discovered Sentence টি Present perfect tense এর একটি উদাহরন। অতীতে সংঘটিত কোন কাজের বর্তমান প্রাসঙ্গিকতাই হচ্ছে Present perfect tense । সুতরাং Sentence টি Sub + have/has + মূল verb এর p.p. + obj এই Pattern - এর হবে এবং সেক্ষেত্রে Option (d) ই সঠিক।

Explanation:

The tailoring of globally produced products to make them suitable to local tastes and needs= Correct Answer Globalization Dictionary definition.

Explanation:

I have to start by 7 a.m. tomorrow to on time for work. Correct Answer be to be on time.

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Irony can, after a fashion , become a mode of escape. to laugh at the terrors of life is in some sense to.... them . Correct Answer evade জীবনের ভীতিকে উপহাস করা অর্থ সেগুলোকে কৌশলে এড়ানো (evade)।