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At a dinner party , every two guests shared a bowl of rice between them , every three guests shared a bowl of vegetable among them and every four shared a bowl of meat among them . There were altogether 65 bowls. How many guests were present at the party? Correct Answer 60 Let the total number of guests be x. Then, Number of bowls of rice = 2x​ Number of bowls of dal = 3x​ Number of bowls of meat = 4x​ ∴2x​ + 3x​ + 4x​ = 65 ⟹126x + 4x + 3x​ = 65⟹1213x​ = 65⟹x = 60 Therefore, 60 guests were present at the party

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A woman says, "If you reverse the digits my age, the figures represent my husband's age. He is senior to me and the defference between our ages is one-eleventh of their sum. "What is her age now? Correct Answer 45 years Let, the unit's digit of woman's age be 'y' and ten's digit be 'x' If so, the woman's age is = (10x + y) years and her husband’s age is = (10y + x) years. [Digits are reversed] ATQ, (10y + x) - (10x + y) = (10y + x) + (10x + y) (1/11) ‌‌or, 9y - 9x = (11y + 11x)/11 or, 9y - 9x = 11(y + x)/11 or, 9y - y = x + 9x or, 10x = 8y or, x = (4/5)y Clearly, y should be a single digit and multiple of 5, which is 5 [only possible value] Hence, y = 5 and x = 4 So, woman's age = (10x + y) = 45 years.

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A tailor had a number of shirt pieces to cut from some large pieces of fabric. He cut each large piece into 10 smaller pieces. He cut at the rate of 45 cuts per minute . How many large pieces would be cut in 24 minutes? Correct Answer 108 Number of cuts made to cut a large piece into 10 pieces = 9. Therefore, Required number of large pieces = (45 x 24)/9 = 120.

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One day at a school, one -twelfth of the students were absent and 20% of those present went on a field trip. If the number of students staying back in the school that day was 660, how many students are enrolled at that school ? Correct Answer 900 Student staying at the school is (100 - 20 = 80%) of the present students. 80% of the present students = 660 So, 100% or total present students = 660 x 100 / 80 = 825 But, present students = (1 - 1/12 = 11/12) of all enrolled students Now, 11/12 of enrolled students = 825 So,  all enrolled students = 825 x 12 / 11 = 900

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Stock market or our country is directly regulated by-- Correct Answer Securities and Exchange Commission Mathematics is at the sixth position from the left.

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who was the announcer of the Budget of Bangladesh for fiscal year 2012-13 ? Correct Answer Finance Minister Finance Minister Abul Maal Abdul Muhith was the announcer of the budget of Bangladesh for fiscal year 2017 - 2018.

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2 large and 1 small pumps can fill a water tank in 4 hours. 1 large and 3 small pumps can also fill the same water tank in 4 hours . How many hours will it take for 3 large 4 small pumps to fill the tank? Correct Answer 2 hours Here, 2 large and 1 small pumps ≡ 1 large and 3 small pumps Again, 3 large and 4 small pumps =  2 large and 1 small pumps +  1 large and 3 small pumps =  2 large and 1 small pumps +  2 large and 1 small pumps = 2 x (2 large and 1 small pumps) Now, 2 large and 1 small pumps can fill the tank in 4 hours So, 2 x (2 large and 1 small pumps) can fill the tank = 4/2 = 2 hours

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How many bones are there in human body? Correct Answer 206 Insulin is normally secreted by the beta cells of the pancreas.

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which of the following creatures is primarily responsible for carrying and transmitting Nipa Virus is human body? Correct Answer Bat D - 8 countries are: Bangladesh, Egypt, Indonesia, Iran, Malaysia, Nigeria, Pakistan, Turkey, D - 8 means Developing 8 Countries.

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What is the name of the organization which is working around the world against corruption? Correct Answer Transparency International Transparency International work world wide against corruption and in Bangladesh it is TIB.

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what is the full form of ATM? Correct Answer Automatic Teller Machine EU countries not using the euro: Bulgaria, the Czech Republic, Denmark, Hungary, Poland, Romania, Sweden, United Kingdom, Croatia.

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The first mountaineer fromBangladesh who climbed Everest is- Correct Answer Musa Ibrahim Only the middle one is closed on by other cubes.

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who is the writer of our national anthem? Correct Answer Rabindra Nath Tagore our national anthem was written by Rabindra Nath Tagore and our national poet is Kazi Nazrul Islam.

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who is the Chief of Army Staff of Bangladesh? Correct Answer Gen Iqbal Karim Bhuiyan The present Chief of Army staff of Bangladesh is General Abu Belal Md. Shafiul Haque (25 June 2015 - present).

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who became the fastest runner (male) in 30th Olympic games , 2012 . Correct Answer Usain Bolt ২০১৬ সালে ব্রাজিলের রিওডি জেনিরোতে অনুষ্ঠিত ৩১তম অলিম্পিকেও দ্রুততম মানব হলেন উসাইন বোল্ট এবং মানবী হলেন এলেইন থম্পসন।

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what is the national tree of Bangladesh ? Correct Answer Mango National tree of Bangladesh is Mango, National fruit is Jackfruit.

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which of the following BDT note carries the signature of the Finance Secretary? Correct Answer 2 Taka Note At present 1 Tk. 2 Tk. Notes are govt. note. Finance Secretary signs on govt. note and Bangladesh Bank Governor signs on the rests.

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What is the full form of IMF? Correct Answer International Monetary Fund International Monetary Fund, IMF) জাতিসংঘ কর্তৃক অনুমোদিত স্বায়ত্তশাসিত আর্থিক প্রতিষ্ঠান। বিভিন্ন দেশের মুদ্রামানের হ্রাস - বৃদ্ধি পর্যবেক্ষণ করা এর প্রধান কাজ। এই সংস্থার কার্যক্রম শুরু হয় ১৯৪৫ সালের ২৭শে ডিসেম্বর। প্রতিষ্ঠাকালীন সময়ে ২৯টি দেশ চুক্তিতে উপনীত হয়েছিল। এর সদর দপ্তর মার্কিন যুক্তরাষ্ট্রের ওয়াশিংটন, ডি.সি. শহরে অবস্থিত।

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Find the Irrelevant word form the following set of words Correct Answer Wood All others are furniture, wood is the raw material.

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In a market , if there exists only supplier and multiple buyers , then what is that market called? Correct Answer Monopoly Monopoly is a board game currently published by Hasbro. In the game, players roll two six - sided dice to move around the game board, buying and trading properties, and developing them with houses and hotels. Players collect rent from their opponents, with the goal being to drive them into bankruptcy.

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What is the opposite meaning of 'Magnify'? Correct Answer Reduce Magnify means to increase; Reduce is its opposite.

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what is the synonym of "ensure"? Correct Answer Make certain Ensure means to make sure or certain or definite.

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what is the meaning of "deficit"? Correct Answer Shortage Deficit means lack or shortage.

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Choose the appropriate and usual answer to the question in a typical day to day conversation. "How long did you study last night?" Correct Answer For about theree hours The question has “How long”, wanting to know the time period.

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Use the correct word for the underlined word of the given sentence . " Do you know to type?" Correct Answer How to type To know something that involves learning, some may be asked “How to do that”.

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Ww have to reduce the price --- sell more: Correct Answer In order to Low priced goods will sell more, in order to means to sell more.

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Bangladesh abounds --- rivers . Correct Answer With Abounds with means full of.

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Which of the following sentence used an inappropriate use of " THE". Correct Answer The man is mortal Here “man” means the race of men, no med to use “The”.