খুলনা বিশ্ববিদ্যালয় (ক Unit) MCQs
Showing 50 questions (Total: 573)
কপারের সঠিক ইলেক্ট্রন বিন্যাস কোনটি ?
Correct Answer:
খ: 1s22s22p63s23p63d104s1
কার্বন ডাই অক্সাইড গ্যাসের অণুতে কার্বন ও অক্সিজেনের ভরের অনুপাত কত ?
Correct Answer:
গ: 3:8
ddx(xtan-1x) এর মান হলো-
Correct Answer:
খ: x1+x2 +tan-1 x
ঢাকা-আরিচা বাসে প্রথম 4 কিমি ভ্রমনের ভাড়া 10.00 টাকা, পরবর্তী 20 কিমি পর্যন্ত প্রতি কিলোমিটারের ভাড়া 90 পয়সা এবং পরবর্তী প্রতি কিলোমিটারের ভাড়া 70 পয়সা । 25 কিমি দূরত্বে ভ্রমনের ভাড়া কত ?
Correct Answer:
খ: 28.70 টাকা
x2+5x2+17x-13=0 সমীকরণের একটি মূল 1 হলে অপর মূল দুইটিঃ
Correct Answer:
ক: 2±3i
দুইটি p অরবিটালের সামনাসামনি অধিক্রমনের ফলে সৃষ্টি হয়-
Correct Answer:
ক: সিগমা বন্ধন
∫x2 cosx3 dx =?
Correct Answer:
C: 1/3 sinx3+C
নিম্নের কোনটি জারক ও বিজারক উভয় হিসাবে কাজ করে ?
Correct Answer:
খ: H2O2
Explanation:
নিম্নের কোনটি জারক ও বিজারক উভয় হিসাবে কাজ করে ? সঠিক উত্তর H2O2 জারক ও বিজারক উভয় রূপে ক্রিয়া করে H2O2, SO2, NO, Fe²+ আয়ন, জারক পদার্থ রূপে ক্রিয়া করে CuSO4, K2Cr2O7, KMnO4বিজারক পদার্থ রূপে ক্রিয়া করে Na2S2O3, H2S, Na2C2O4, H2C2O4,
নিম্নের কোনটি অ্যালডল বিক্রিয়া দেবে ?
Correct Answer:
গ: CH3CH2CHO
ধূমায়মান নাইট্রিক এসিডে কোন গ্যাস ধূয়া উৎপন্ন করে ?
Correct Answer:
ঘ: NO2
নিম্নের কোনটি টলেন বিকারক ?
Correct Answer:
খ: [Ag(NH3)2]NO3
limx→0 sinxx = ?
Correct Answer:
A: 1
কোনটি পার্থেনোকার্পিক ফল ?
Correct Answer:
ঘ: কলা
নিচের নির্ণায়কটির মান কত ?111abca2-bcb2-cac2-ab
Correct Answer:
ক: 2
কোনো সরল রেখার x অক্ষের ঋণাত্মক দিকের সাথে 45° কোন উত্পন্ন করলে ধনাত্মক দিকে রেখাটির ঢাল হবে-
Correct Answer:
ক: -1
∫04 dx2x+1 এর মান হল -
Correct Answer:
গ: 2
ABCD সামান্তরিকের A,B,C বিন্দু তিনটির স্থানাংক যথাক্রমে (1,2),(3,4),(1,0) হলে, D বিন্দুর স্থানাংক হবে-
Correct Answer:
ক: (-1,-2)
In the figure below AD=4 AB=3 and CD=9, what is the area of triangle ACE?
Correct Answer:
D: 4.5
The price of a laptop was sold at 10% discount on the price . If the profit is Tk. 2400 what was the cost of the laptop is TK?
Correct Answer:
B: 24,000
`A car going 40 miles per hour set out on an 80 miles trip at 9.00 A.M. Exactly 10 minutes latter, a second car left from miles per hour, was the second car going if it caught up with the first car at 10.30 A. M.?
Correct Answer:
A: 45
In a local election X and Y contested. X won the election as the ratio to his votes and those of Y was 4:3 The total number of voters was 5810, of which 910 , did not vote . what is the margin of votes by which Y was defeated?
Correct Answer:
B: 700
There are 12 men on basketball team , and in a game 5 of them play at any one time. If the game is 1 hour long and if each man plays exactly the same amount of time, how many minutes each man play?
Correct Answer:
Correct Answer:
If the radius of a circle is increased by 6% , then the area of the circle is increased by-
Correct Answer:
C: 12.36%
who won the Nobel Prize in Economics for the year 2009?
Correct Answer:
D: Eloinor Osrtam
On a certai project, the only grades awarded were 745 and 100. If 85 students completed the projects and the average of their grades was 85, how many of them did score 100?
Correct Answer:
A: 34
In a survey of the town bogra , it was found that 65% of the people surveyed watched the news on TV, 40% read a newspaper and watched the news on TV, what percentage of the people surveyed neither watched the news on V nor read a newspaper?
Correct Answer:
Correct Answer:
Currently the total number of EPZ in Bangladesh is ----
Correct Answer:
Correct Answer:
A club had 3 boys and 5 girls. During a membership drive, the same number of boy and girls joined the club. How many members does the club have now , if the ratio of the boys to girls is 3:4?
Correct Answer:
B: 14
The term "Blue Chip" is related with---
Correct Answer:
B: Share
which district of Bangladesh is suitable for rubber cultivation?
Correct Answer:
D: Panchagonre
IDB stands for--
Correct Answer:
B: Islamic Development bank
which is the largest coffee growing country of the world?
Correct Answer:
C: Brazil
which of the following banks doesn't give interest to its depositor?
Correct Answer:
A: Islami Bank Bangladesh ltd.
What is the purpose of BAPEX?
Correct Answer:
A: Oil & Gas exploration
Dell is the Brand name of ---
Correct Answer:
B: Car
Transform the following sentences as directed:
Correct Answer:
A: She sold her hair and bought a chain
Fill in the blanks with appropriate prepositions :
Correct Answer:
A: Popy is rather tall against her age.
Make sentence with each of the following phrasal verbs:
Correct Answer:
B: Blow out
Rahim is paid twice the hourly wages of selim ,Karim is paid one -third of the hourly wage of Karim is delim paid?
Correct Answer:
A: 2/3
A steel mill produces 180 tons of steel per month Raw materials cost for each ton of production is Tk. 1200. Other expenses of that mill are Tk. 90,000 in each month what should be the selling price of each ton of steel in order to make 10% profit?
Correct Answer:
A: 1870
Nafiz inherited 30% of his father's asset . After paying a tax of 20% of his inheritance, what percent of hos father's asset does Nafiz own now?
Correct Answer:
A: 24%
If X is 150 more than Y , what is the value of Y in the figure on the right hand side?
Correct Answer:
A: 15 degree
Calculate the ratio of girls to boys if nine-fifth of the students in the class are boys.
Correct Answer:
A: 4.5
The ratio of the angles of a triangle is 2: 3: 4 calculate the value of the largest angle in the triangle.
Correct Answer:
A: 80 degree
What does BSTI stand for ?
Correct Answer:
A: Bangladesh standard Testing and Institution
what is the country of origin of KIA motors?
Correct Answer:
A: South Korea
A cricketer has a certain average in 9 imings . In the 10th innings he scored 100 run and thus increases his average by 8 runs . What is his -new average?
Correct Answer:
A: 28
which is the biggest island in Bangladesh?
Correct Answer:
A: Bhola
which is the first private commercial bank in Bangladesh?
Correct Answer:
A: AB Bank
Which is the Headquarter of International Chamber of Commerce located?
Correct Answer:
A: Paris