# খুলনা বিশ্ববিদ্যালয়

সালঃ 2011

B ইউনিট

খুলনা বিশ্ববিদ্যালয় B ইউনিট এর প্রশ্নপত্র এবং সমাধান: 2011 সালে খুলনা বিশ্ববিদ্যালয় B ইউনিট ভর্তি পরীক্ষায় আসা সকল প্রশ্নপত্র এবং এর ব্যাখ্যা সহ সমাধান। এছাড়া এখন ঘরে বসে অনলাইনেই পূর্ণাঙ্গ ভর্তি প্রস্তুতির এবং মডেল টেস্ট দেওয়ার সুব্যবস্থা।

#### 1. If the radius of a circle is increased by 6% , then the arca of the circle is increased by:

0.36%

3.60%

6.00%

12.36%

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 2. If n and p are both odd numbers,which of the following numbers must be an even number?

n + p

np

np +2

n + p +1

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 3. starting from position X on the plain play ground of khulna University, one particular student walks 10 yerds due south and by that reached at position Y . Now , detect how far apart, in yards are position X and Y?

16

14

12

10

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 4. The size of the philips LCD television screen is given as the length of the screen's diagonal , Assume that the screens of the television were flat. Find out how many square inches greater would be the screen of square inches greater would be the screen of a square 21 -inch television set than that of a square 19-inch television set.

4

16

38

40

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 5. A bird under controlled diet is fed daily 300 grams of a mixture of two foods: food A and food B. Food A contains 10% protein and food B contains 15% proten. If the bird's diet provides exactly 38 grams of protein daily, how many grams of food A are there in the mixture?

100

140

150

160

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 6. Khulna University has astudent -to teacher ratio of 11 to 1. The average annual salary of the teachers is Tk. 26,000. If the university pays a total of 33,80,000 in annual salaries to its teachers, how many students the university have?

1130

1265

1430

1575

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 7. Arman invested Tk. 10,000 in a mutual fund account there years ago . The value of the account increased by 10% during the first year , increased by 5% during the second year but unfortunately decreased by 10% during the penultimate year. What is the value of the account today?

10,350

10,395

10,500

11,500

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 8. A glucose solution contains 15 grams of glucose per 100 cubic centimeters of solution . If 45 cubic centimeters of solution were poured into an empty container how many grams of glucose would be in the container?

5.00

5.50

6.50

6.75

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 9. If x and y are the two digits of the number 653XY in such that this number is divisible by 80 , then what is the value of x + y?

2

3

4

6

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 10. A tap can fill the tank in 15 minutes and another can empty it in 5 minutes. If the tank is already half -full and both the taps are opened together , how many minutes will the tank take to be emptied?

8

12

16

None of these

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 11. The ratio between the length and the breadth of a rectangular park is 3: 2 if a man cycling along the boundary of the park at the speed of 20 km /hr completes on round in 8 minutes, then what would be the area of the park in square kilometer?

15,360

153,600

30,720

307,200

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 12. If the radius of a circle is increased by 6%, then the area of the circle is increased by:

0.36%

3.60%

6.00%

12.36%

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 13. If n and p are both odd numbers, Which of the following numbers must be an even number?

n + p

np

np + 2

n + p + 1

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 14. Starting from position X on the plain play ground of Khulna University, one particular student walks 10 years due north, then 6 years due east and then 2 years due south and by that reached at position Y. Now, detect how far apart, in yards, are position X and Y?

16

14

12

10

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 15. The size of the Philips LCD television screen is given as the length of the screen's diagonal, Assume that the screen of the television were flat, Find out how many square inches greater would be the screen of a square 21-inch television st than that of a square 19-inch television set

4

16

38

40

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 16. A bird under controlled diet is fed daily 300 grams of a mixture of two foods; food A and food B, Food A contains 10% protein and food B contains 15% proten. If the bird's diet provides exactly 38 grams of protein daily. how many grams of food A are there in the mixture?

100

140

150

160

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 17. Khulna University has a student-to-teacher ratio of 11 to 1; The average annual salary of the teachers is Tk, 26,000, if the university pays a total of 33,80,000 in annual salaries to its teachers how many students the university have?

1130

1265

1430

1575

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 18. Arman invested Tk,. 10,000 in a mutual fund account three years ago, The value of the account increased by 10% during the first year. increased by 5% during the second year but unfortunately decreased by 10% during the penultimate year. What is the value of the account today?

10,350

10,395

10,500

11,500

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 19. A glucose contains 15 grams of glucose per 100 cubic centimeters of solution, If 45 cubic centimeters of solution were poured into an empty container, how many grams of glucose would be in the container?

5.50

5.50

6.50

6.75

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 20. If X and Y are the two digits of the number 653XY in such that this number is divisible by 80m then what is the value of X + Y?

2

3

4

6

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 21. A tap can fill the tank in 15 minutes and another can empty it in 8 minutes. If the tank is already half-full and both the taps are opened together, how many minutes will the tank take to be emptied

8

12

16

None of these

ব্যাখ্যা সংযোজন করা হয় নাই।

#### 22. The ratio between the length and the breadth of a rectangular park is 3 : x. If a man cycling along the boundary of the park at the speed of 20 km/hr completes on round in 8 minutes, then what would be the area of the park in square kilometer?

15,360

153,600

30,720

307,200

ব্যাখ্যা সংযোজন করা হয় নাই।

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