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Select the appropriate word for expressing the sentence 'One who cannot be corrected'- Correct Answer Incorrigible Incorrigible =শোধরানো যায়না এমন

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Choose the correct spelling from the following- Correct Answer Rebellious Rebellious বিদ্রোহ

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The phrase 'Down-to-earth' means- Correct Answer Realistic with no illusions or pretensions; practical and realistic

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'Decision that can not be taken back.'- the sentence can be expressed by which of the following word? Correct Answer Irrevocable Irrevocable অপরিবর্তনীয়

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Which underlined part of the following sentence has an error? (a) The most difficult job is (b) to band and then (c) lifting (d) the weight. Correct Answer c Pin point error,  এখানে to lift হবে

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What is passive form of the sentence “We teach him a good lesson”? Correct Answer He is taught a good lesson by us Present indefinite tense যুক্ত active voice কে passive voice এ রুপান্তর করার নিয়ম-Object এর subject + am/is/are + verb এর past participle form + by + subject এর object.Active Voice: We teach him a good lesson.Passive voice: He is taught a good lesson by us.

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Fill up the gap of the sentence 'We must not approve..... such a conduct' selecting appropaiate preposition. Correct Answer of approve of somebody/ something= সমর্থন করা / আনুষ্ঠানিকভাবে অনুমোদন করা

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Choose the indirect speech of -Rahim said ''I must post the letter". Correct Answer Rahim said that he had to post the letter Indirect  speech এ must থাকলে Direct speech এ Had to বসে।

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Which of the following countries is the closest competitor of Bangladesh in the global RMG business? Correct Answer Vietnam Bangladesh bagged the second position again in the global apparel export market in 2021 after it was pushed back to third position by Vietnam in 2020.

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1 Kilogram is equal in- Correct Answer 2.21 lbs 1 Kilogram= 2.205 pounds or 2.21 pounds.

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What is the name of the currency of Ukraine? Correct Answer Ukrainian hryvnia The hryvnia or hryvnya has been the national currency of Ukraine since 2 September 1996.

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How many times has the SAARC Summit been held in Bangladesh? Correct Answer 3 SAARC summit was held in Bangladesh three times:1st SAARC summit = 7-8 December 19857th SAARC summit = 10-11April 199213th SAARC summit = 12-13 November 2005

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Pick appropriate word and complete the sentence 'philosophical problems arise when people ask question that, though very ..... have certain characteristics in common'. Correct Answer diverse Diverse = বিচিত্র

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Who is not Captain of the Football World Cup 2022 Team? Correct Answer Neymar Neymar is not the captain of Brazil in the 2022 World Cup because Tite decided to continue giving the armband to veteran defender Thiago Silva, arguably the most experienced player on the roster.

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COP-27 was held in- Correct Answer Sharm El-Sheikh, Egypt COP-27Held in- Sharm El-Sheikh, Egypt6-18 Nov, 2022198 countries Slogan: Together for Implementation

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If (3x+2y)=8 and (2x-2y)=2, then find the value of (4-3x) Correct Answer -2 3x+2y=82x-2y=2যোগ করলে, 5x=10X=24-3*2=-2

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In a group of buffaloes and ducks, the number of legs is 24 more than twice the number of heads. What is the number of buffaloes? Correct Answer 12 Let the number of buffaloes be x and the number of ducks be y. Each buffalo has 1 head & 4 legs.Each duck has 1 head & 2 legs.So the number of heads =x+y and the number of legs=4x+2y.So, by the given condition,4x+2y=2(x+y)+24⇒4x−2x+2y−2y=24⇒2x=24⇒x=12

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A school has a total of 90 students. There are 30 students taking Physics, 25 taking English, and 13 taking both. Approximately what percentage of the students is taking either Physics of English? Correct Answer 47 % Students taking physics = 30 (these 30 include those 13 that take both)Students taking english = 25 (these 25 also include those 13)So those that take either physics or english or both = 30 + 25 - 13 = 42.Required percentage = 42/90 * 100 = 47% approx

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The average temperature for the first 4- days of a week is 40.2-degree Celcius and that of the last 4 days is 41.3-degree Celcius If the average temperature for the whole week is 40.6-degree Celcius then the temperature on the fourth day is- Correct Answer 41.8 Degree Celcius Temperature on the fourth day= [(40.2 × 4 + 41.3 × 4) - (40.6 × 7)]° C= 41.8° C

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An employee may claim Tk. 7 for each kilometer when he travels by taxi and Tk. 6 for each kilometer when he drives his own car. If in one week he claimed Tk. 900 for traveling 135 km, how many kilometers did he travel by taxi? Correct Answer 90 km Let x and y be the respective km's travelled by man via taxi and by his own car.Given x + y = 135 => x = 135- yBut according to the question,7x + 6y = 9007(135-y) + 6y = 900=> 945 - 7y + 6y = 900=> y = 945 - 900= 45=> x = 135 - 45 = 90Therefore, the distance travelled by taxi is 90 km.

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The interest charged on a loan is ‘P’, per Tk, 1000 for the first quarter (3 months), and 'Q' per Tk. 1000 for each month after the first quarter. How much interest will be charged for the first year on Tk. 10,000? Correct Answer 10(P+9Q) For the first three month interest of Tk 10000 = 10pFor the each month after three month interest of Tk 10000 =  10*9q Total interest = 10(p + 9q)

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There are two numbers where the sum of twice the first number and thrice the second number is 100. And the sum of thrics the first number and twice the second number is 120. Which is the largest number? Correct Answer 32 2x + 3y = 100 ..... (1)3x + 2y = 120 ..... (2)Multiply by 3 in Equation (1) and multiply by 2 in Equation (2) and then subtract6x+9y=3006x+4y=240− − − ––––––––––––––––––5y=60y=12x=32

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X sells an item to Y at a profit of 28% on his cost and sells the same item to Z at a loss of 25% on his cost. If Y thus sold the item to Z a Tk. 2 less than the item to X, then what is the cost of the item to X? Correct Answer TK. 50 XY=1.28XZ=0.75 of 1.28XAtq,0.75 of 1.28X=X-2So, X=50

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A man's investment doubles in every 5 years. If he invested Tk. 5,000 in each of the years 2010, 2015, 2020 then what will be the amount received by him in 2025? Correct Answer Tk. 70,000 2015: (5000*2)+5000= 15000tk.2020: (15000*2)+5000= 35000tk2025: 35000*2= 70000tk

Explanation:

A train travels 360 km at a uniform speed. If the speed had been 5 km/h more, it would have taken 1 hour less for the same journey. Find the speed of the train. Correct Answer 40 km/hr Given distance=360 km. Let the speed of the train be x km/hr.Speed when increased by 5 km/hr =(x+5) km/hrx360​−(x+5)360​=1x(x+5)[360x+1800−360x]​=1x2+5x−1800=0x2+45x−40x−1800=0x(x+45)−40(x+45)=0(x−40)(x+45)=0 x=40,−45The speed of the train is 40 km/hr.

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In 10 years, A will be twice as old as B was 10 years ago. If A is now 9 years older than B, then the present age of B is Correct Answer 39 years Let, B's present age is x year & 10 years ago he was (x-10) After 10 years, A= 2((x-10),  B= (x+10)Now, 2(x+10)-(x+10)=9Or, x=39 years.

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The measurement of a rectangle is 16 feet by 12 feet. What is the area of the smallest circle that can cover this rectangle entirely (so that no part of the rectangle is outside the circle)? Correct Answer 100 π sq. ft The radius of circle will be = 0.5 √(122 + 162) = 10 m  So area = π × 102 = 100π

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A salesman receives daily wage of Tk. 250 and earns a commission of 15% on all sales he makes. How much taka worth of sales does he need to make in order to bring his total daily income of Tk. 1000? Correct Answer TK. 5000 His regular wage is 250 tk.So he needs to earn = 100 - 250 = 750 from commissionLet, he needs to sell TK. X to required amount of commission.ATQ, 15% of X = 750Or, X= 5000

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The perimeter of a rectangle is 200 meters. The breadth is 3/7 part of the length. What is the length? Correct Answer 70m Let,length is 7x m and breadth is 3x m.ATQ, 2(7x+3x) = 200⇒ 10x = 100⇒ x = 10So, the length is 7×10 = 70

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The mean of the data set of 1000 items is 5. From each item 3 is subtracted and then each number is multiplied by 2. The new mean will be- Correct Answer 4 The answer is =(5 - 3) × 2=4

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A natural number when increased by 12, equals 160 times reciprocal. The number is- Correct Answer 8 Step 1: Construct the equation based on given condition.let the required natural number be x.According to the question,x+12=160/xOn multiplying by x on both sides, we getx^2+12x−160=0,step 2: Find roots using factorization.By splitting the middle term, we get :⇒x^2+(20x−8x)−160=0⇒x^2+20x−8x−160=0⇒x(x+20)−8(x+20)=0⇒(x+20)(x−8)=0⇒x=8[x≠−20 because it is not a natural number]hence, the required natural number is 8

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In a family, the father took 1/4 of the cake and had 3 times as much as each of the other members had. The total number of family member is- Correct Answer 10

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212+212+212+212 =? Correct Answer 214 2^12+2^12+2^12+2^12= 4.2^12= 2^2.2^12= 2^(2+12)= 2^14

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The 7th March speech of Bangabandhu was recognized as part of the world's documentary heritage by Correct Answer UNESCO ২০১৭ সালের ৩০শে অক্টোবরে ইউনেস্কো ৭ই মার্চের ভাষণকে "ডকুমেন্টারি হেরিটেজ" (বিশ্ব প্রামাণ্য ঐতিহ্য) হিসেবে স্বীকৃতি দেয়। এই ভাষণটি সহ মোট ৭৭ টি গুরুত্বপূর্ণ নথিকে একইসাথে স্বীকৃতি দেওয়া হয়। ইউনেস্কো পুরো বিশ্বের গুরুত্বপূর্ণ দলিলকে সংরক্ষিত করে থাকে।

Explanation:

The documentary film, based on the liberation war, 'Rupali Shoikot' was directed by- Correct Answer Alamgir Kabir Ruapli Saikat released at 1979 & was directed bu Alamgir Kabir

Explanation:

বাংলাদেশে বর্তমান মূল্যে মাথাপিছু আয়ের পরিমাণ- সঠিক উত্তর প্রায় ১,০২,০২৬ টাকা ২০২১-২২ অর্থবছরে বাংলাদেশের মানুষের মাথাপিছু আয় ২ হাজার ৮২৪ মার্কিন ডলার হয়েছে, যা এর আগের অর্থবছরের তুলনায় ২৩৩ ডলার বেশি। এর আগের ২০২০-২১ অর্থবছরের চূড়ান্ত হিসাব অনুযায়ী, মাথাপিছু আয় ছিল ২ হাজার ৫৯১ ডলার।

Explanation:

পৃথিবীর সবচাইতে বড় নদী কোনটি ? সঠিক উত্তর আমাজান নীলনদ (আরবি: النيل‎‎ আন-নীল, মিশরীয় আরবি উপভাষায় el neil; প্রাচীন মিশরীয় ভাষা ইতেরু), আফ্রিকা মহাদেশের একটি নদ। এটি বিশ্বের দীর্ঘতম নদ।