Explanation:

"Inevitably" scholars disagree on "an" authenticity of many objects whose"origins"are "unknown" NO error." Correct Answer an Abstract noun এর পূর্বে article ব্যবহৃত হয় নাHere ‘an’ is extra.

Explanation:

A budget is a plan "that" estimates how much "money" will be spent, "what" it will be spent on, and how much money "is" left over. "No error." Correct Answer is ‘is’ should be replaced by ‘will be’.

Explanation:

"It" is "the" dream of every "mountaineers" to climb the world's "highest" peak. "NO error." Correct Answer mountaineers Here singular, ‘mountaineer’ should be used after every. Example - Every mother loves her child.

Explanation:

The passage is mainly about - Correct Answer qualities affecting diamond values The passage mainly talks about the diamond values and the quality associated with it.

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It can be inferred from the passage that a stone rated "H" is - Correct Answer good for jewelry ‘H’ means good like to ‘G’ ‘Y’.

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A place where everything is perfect Correct Answer Utopia Utopia, A place where everything is perfect.If you refer to an imaginary situation as a utopia, you mean that it is one in which society is perfect and everyone is happy.

Explanation:

If the average of 4, 5, 6 and P is 7, what is the value of P? Correct Answer 13 4 + 5 + 6 + p = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mn>4</mn><mo>×</mo><mn>7</mn></math><math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>⇒</mo></math> p = 20 - 4 - 5 - 6<math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>∴</mo></math> p = 13

Explanation:

All of the following ratings refer to the clarity of a stone EXCEPT- Correct Answer perfection Perfection is not included.

Explanation:

If 1/x +y =4 , then x =? Correct Answer 1/4 -y <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>1</mn><mrow><mi>x</mi><mo> + </mo><mi>y</mi></mrow></mfrac><mo> = </mo><mn>4</mn></math><math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>⇒</mo></math> 4x + 4y = 1<math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>⇒</mo></math> 4x = 1 - 4y<math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>⇒</mo></math> x = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>1</mn><mo> - </mo><mn>4</mn><mi>y</mi></mrow><mn>4</mn></mfrac></math><math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>∴</mo></math> x = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>1</mn><mn>4</mn></mfrac><mo> - </mo><mi>y</mi></math>

Explanation:

In the triangle beside, what is the value of X? Correct Answer 35 degree <math xmlns = "http://www.w3.org/1998/Math/MathML"><mn>4</mn><mi>x</mi><mo> + </mo><mn>40</mn><mo>°</mo><mo> = </mo><mn>180</mn><mo>°</mo></math><math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>⇒</mo></math> = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mn>180</mn><mo>°</mo></math><math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>⇒</mo></math> x = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mn>35</mn><mo>°</mo></math>

Explanation:

Suppose X =1/3 y , y=2/3 r and r = 3/4 s, what would be the value of y as a fraction a of s? Correct Answer 1/2 y = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>2</mn><mn>3</mn></mfrac><mi>r</mi><mo> = </mo><mfrac><mn>2</mn><mn>3</mn></mfrac><mo>×</mo><mfrac><mn>3</mn><mn>4</mn></mfrac><mi>s</mi><mo> = </mo><mfrac><mn>1</mn><mn>2</mn></mfrac><mi>s</mi></math>

Explanation:

'A' can do a work in 20 days while "B" can do it in 30 days . 'A' and 'B' working together can do it in- Correct Answer 12 days <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>100</mn><mo>×</mo><mn>30</mn></mrow><mrow><mn>20</mn><mo> + </mo><mn>30</mn></mrow></mfrac></math> = 12

Explanation:

What rate of interest per year was paid. if TK. 50,000 earned Tk. 1,000 as interest in 2 years - Correct Answer 1% let, the interest rate be x <math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>∴</mo><mn>50</mn><mo>,</mo><mn>000</mn><mo>×</mo><mfrac><mi>x</mi><mn>100</mn></mfrac><mo>×</mo><mn>2</mn></math> = 1,000 <math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>⇒</mo></math> x = 1

Explanation:

What is the volume of a cube whose surface area is 96 ? Correct Answer 64 Let, x be the side of the cube.Then <math xmlns = "http://www.w3.org/1998/Math/MathML"><mn>6</mn><msup><mi>x</mi><mn>2</mn></msup><mo> = </mo><mn>96</mn><mo>⇒</mo><msup><mi>x</mi><mn>2</mn></msup><mo> = </mo><mn>16</mn><mo>⇒</mo><mi>x</mi><mo> = </mo><mn>4</mn></math>hence the volume is = <math xmlns = "http://www.w3.org/1998/Math/MathML"><msup><mi>x</mi><mn>3</mn></msup><mo> = </mo><msup><mn>4</mn><mn>3</mn></msup></math> = 64

Explanation:

Mr. Selim sold his cow of for TK. 30,000 at a 20% gain . Find the cost price . Correct Answer 25,000 C.P = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>30</mn><mo>,</mo><mn>000</mn></mrow><mrow><mn>1</mn><mo>.</mo><mn>20</mn></mrow></mfrac></math> = 25,000

Explanation:

what percent of 2/5 is 1/25 ? Correct Answer 10 <math xmlns="http://www.w3.org/1998/Math/MathML"><mn>10</mn><mo>%</mo><mo> </mo><mi>o</mi><mi>f</mi><mo> </mo><mfrac><mn>2</mn><mn>5</mn></mfrac><mspace linebreak="newline"/><mo>=</mo><mo> </mo><mfrac><mn>2</mn><mn>5</mn></mfrac><mo>×</mo><mfrac><mn>10</mn><mn>100</mn></mfrac><mspace linebreak="newline"/><mo>=</mo><mfrac><mn>1</mn><mrow><mn>2</mn><mn>5</mn></mrow></mfrac><mo> </mo><mo> </mo></math>Ans. 10%

Explanation:

A train 100 m long passes a bridge at the rate of 72 km per hour in 25 seconds. The length of the bridge is- Correct Answer 400 m Length of the bridge = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfenced><mrow><mn>72</mn><mo>÷</mo><mn>3</mn><mo>.</mo><mn>6</mn></mrow></mfenced><mo>×</mo><mn>25</mn><mo> - </mo><mn>100</mn></math> = 400m

Explanation:

A sum of money will triple itself in 20 years at simple interest with yearly rate of - Correct Answer 10% Let, the sum of money be x and yearly rate be y<math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>∴</mo></math> 2x = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mi>x</mi><mo>×</mo><mn>20</mn><mo>×</mo><mfrac><mi>y</mi><mn>100</mn></mfrac></math><math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>⇒</mo></math> y = 10

Explanation:

The average of first five prime numbers is - Correct Answer 5.6 First 5 prime number = 2, 3, 5, 7, 11<math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>∴</mo></math> Their average = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>2</mn><mo> + </mo><mn>3</mn><mo> + </mo><mn>5</mn><mo> + </mo><mn>7</mn><mo> + </mo><mn>11</mn></mrow><mn>5</mn></mfrac></math> = 5.6

Explanation:

A school has a total enrollment of 90 students. There are 30 students taking physics, 25 taking English, and 13 taking both. What percentage of the students is taking either physics or English? Correct Answer 47 % 30 + 25 - 13 = 42So, <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>42</mn><mn>90</mn></mfrac><mo>×</mo><mn>100</mn></math> = 46.6 = 47%

Explanation:

The ratio of two number is 3 : 5 and their sum is 640 . The greater of the numbers is- Correct Answer 400 Let, the numbers be 3x and 5x<math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>∴</mo></math> 3x + 5x = 640<math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>⇒</mo></math> 8x = 640<math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>⇒</mo></math> x = 80<math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>∴</mo></math> 5x = 400

Explanation:

What is the cost price of a shirt which is sold at a loss of 20% for Tk. 320? Correct Answer 400 <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>100</mn><mn>80</mn></mfrac><mo>×</mo><mn>320</mn><mo> = </mo><mn>400</mn></math>

Explanation:

During 2011, advertising expenditures on canned food products increased by 20 percent, while canned food consumption rose by 25 percent. Each of the following if true, could help to explain the increase in food consumption EXCEPT- Correct Answer Can opener production doubled This does not help, it’s not related.

Explanation:

Fill in the missing number of the series 3 , 8 , 18, 38 , --- , 158 Correct Answer 78 The series is = n×2 + 238×2 + 2 = 78

Explanation:

In the figure , the product of any two numbers in adjacent circles is equal to the product of the two numbers that are opposite those circles.What is the value of h? Correct Answer 12 h×j = 36And j×k = 60And k×3 = 60K = 20J = 3H = 36/3 = 12

Explanation:

Which number is appropriate in place of question mark? Correct Answer 42 7 + 2 = 1212 + 6 = 1818 + 7 = 2525 + 8 = 3333 + 9 = 42

Explanation:

Eva is three times older than Jibon. Zaheer is half the age of Wahida. Jibon is older than Zaheer . From this information, which of the following can be inferred? Correct Answer Eva may be younger than Wahida. There’s no way to tell for sure, but Eva may be younger than Wahida.

Explanation:

Which country within EU still dies not use Euro as its currency? Correct Answer England EU countries not using the euro: Bulgaria, the Czech Republic, Denmark, Hungary, Poland, Romania, Sweden, United Kingdom, Croatia.

Explanation:

The first Nam summit was held in - Correct Answer Belgrade The first NAM Summit was held on Sept. 1961, at Belgrade in Yugoslavia.

Explanation:

Insulin is secreted in Correct Answer Pancreas Insulin is normally secreted by the beta cells of the pancreas.

Explanation:

The following figure consists of twenty -seven cubes. How many cubes will get closed on all sides by other cubes? Correct Answer 1 Only the middle one is closed on by other cubes.

Explanation:

Which countries are not included in D -8 Countries? Correct Answer India, Nepal, Sri Lanka D - 8 countries are: Bangladesh, Egypt, Indonesia, Iran, Malaysia, Nigeria, Pakistan, Turkey, D - 8 means Developing 8 Countries.

Explanation:

The Swedish Academy awarded the 2012 Nobel prize in Literature to - Correct Answer Mo yan ২০১৭ সালে সাহিত্যে নোবেল পুরষ্কার লাভ করেন জাপানি বংশোদ্ভুত ব্রিটিশ সাহিত্যিক ইশিগুরো।