Explanation:

If the stock value of XYZ Company drops from TK. 25 per share to TK. 21 per share, what is the percentage decrease ? Correct Answer 16% প্রিয়ংবদা = প্রিয় কথা বলে যে। উপপদ তৎপুরুষ।

Explanation:

If the average of two numbers is M, and the larger number is L, what is the other number ? Correct Answer 2M-L average of two numbers is M one number is L let second number be X average = L + X/2 = > M = L + X/2 = > 2M = L + X = > 2M - L = X therefore,second number is 2M - L

Explanation:

If x+y = z and x = y, then all of the following are true EXCEPT - Correct Answer x-y=2z If x=y then y+y=z So, 2y=z But in option D,  x-y=2zSo,  y-y = 2z or, z =0 which is not possible  so option D is not true

Explanation:

If (3x+2y) = 8 and (2x-y) = 3, what is the value of "x" ? Correct Answer 2 3x + 2y = 8...... (1) 2x - y = 3........ (2) (1) + (2)×2 করে পাই, 7x = 14  = > x = 14/7 ∴x = 2

Explanation:

A coat was sold for TK. 75. The coat was sold for 150% of the cost of the coat. How much did the coat cost ? Correct Answer TK. 50 Given that, 150% = 75 = > 1 % = 75/150 = > 100% = 75/150 * 100 = 50 therefore, the coat cost = 50 tk.

Explanation:

If Farhan were to add 5 gallons of kerosine to a tank that is already 3/4 full of kerosine , the tank would be 7/8 full. How many gallons of kerosine would the tank hold if it were full ? Correct Answer 40 gallons বাংলা ভাষায় রচিত সাহিত্যের আদিতম নিদর্শন হল চর্যাপদ। খ্রিষ্টীয় দশম থেকে দ্বাদশ শতাব্দীর মধ্যবর্তী সময়ে রচিত চর্যা পদাবলি ছিল সহজিয়া বৌদ্ধ সিদ্ধাচার্যদের সাধনসংগীত।

Explanation:

If the difference between two numbers is 7 and their product is 60, then one of the two numbers must be- Correct Answer 5 x - y = 7; x = (y + 7) xy = 60 or , (y + 7).y = 60 or, y² + 7y - 60 = 0 or, (y + 12) (y – 5) = 0 So, Y = - 12,5 So, the two number is 12 and 5

Explanation:

Jamal's average score in 4 tests was 80 out of a possible 100 . If his scores in 2 of the tests were 65 and 70, what is the lowest that either of his other scores could have been ? Correct Answer 85 sum of 4 tests = 80*4 = 320sum of 2 tests = 65+70 = 135remaining score of the other 2 tests = 320-135 = 185As the highest number in exam is 100, so the lowest score he could have been = 185 - 100                                                                           = 85 (Ans)

Explanation:

A and B together can paint a wall in 3 days . A can do it alone in 5 days . How many days would it take B to do this job alone ? Correct Answer 7.5 A and B together in 1 day can paint 1/3 of the wall A alone in 1 day can paint 1/5 of the wall Then, B alone can paint (1/3 - 1/5 = 2/15) of the wall in 1 day So, B alone can paint the wall in 15/2 = 7.5 days

Explanation:

Bashar is twice as fast as Arif and Karim is three times as fast as Arif. If Bashar alone can complete a job in 12 days, how long will Bashar, Arif and Karim take to complete the same job together ? Correct Answer 4 days বলাইচাঁদ মুখোপাধ্যায় (জন্ম: ১৯ জুলাই, ১৮৯৯ - মৃত্যু: ৯ ফেব্রুয়ারি, ১৯৭৯) একজন বাঙালি কথাসাহিত্যিক, নাট্যকার ও কবি । তিনি বনফুল ছদ্মনামেই অধিক পরিচিত। অবিভক্ত ভারতবর্ষের বিহার রাজ্যের মনিহারীতে তিনি জন্মগ্রহণ করেন।

Explanation:

If Zara walks at 5 km/hr, she reaches the bus stop 5 minutes late and if she walks at 6 km/hr , she reaches the bus stop 5 minutes earlier . The bus stop is at a distance of - Correct Answer 5 km শব্দ বা ধাতুর মূলকে প্রকৃতি বলে। প্রকৃতি দুই প্রকার। যথা - নাম - প্রকৃতিঃ শব্দের মূলকে নাম - প্রকৃতি বলে। ক্রিয়া - প্রকৃতিঃ ধাতুর মূলকে ধাতু - প্রকৃতি বা ক্রিয়া - প্রকৃতি বলে ।

Explanation:

In a university, 80 percent of the students lived in hostel , and 60 percent of the hostel students are lucky to get a single room. If number of lucky students is 1,200, then how many students were there in the university ? Correct Answer 2,500 60% of lucky students = 1200100% of lucky students = 1200×10060 = 2000 now,   80% of students lived in hostel = 2000         100% of students lived in hostel = 2000×10080                                                                       = 2500 (Ans)

Explanation:

A student first reduced a number by 20 percent and then increased it again by 20 percent . If the difference between the two new numbers was 8, then what is the original number ? Correct Answer 50 Suppose, Total marks = 10020% reduced = 80Then, 20% increased = 80 + 80 of 20% = 96Difference = 100 - 96 = 44 difference then orginal number = 1008 difference then orginal number = (100×8)/4                                                = 20020% increased = 96% Difference between two new number=  96-80 = 16Difference is 16 when the original number is 100   ,,            ,,   8   ,,      ,,   = 50Answer : 50

Explanation:

The population of Village Rasulpur increased by 12.5% every year. The population will increase to 121,500 after 2 years if the present population is - Correct Answer 96,000 দোলনচাঁপা বিংশ শতাব্দির প্রথমার্ধের অন্যতম জনপ্রিয় বাঙালি কবি কাজী নজরুল ইসলামের দ্বিতীয় কাব্যগ্রন্থ।

Explanation:

A shirt marked TK. 12.50 is sold at TK. 10.00. The rate of discount on the marked price is - Correct Answer 20% 12.5 - 10/12.50  = 25/125 × 100% = 20% (ans)

Explanation:

The retail price of a doll is 40 taka. Amreen got discount of 20% over the retail price and she eventually saved 240 taka on her total purchase of the dolls. How many dolls did she purchase ? Correct Answer 30 Taka saved per doll = 20% of 40 = 8 Number of dolls purchased = 240 / 8 = 30

Explanation:

Which of the following is the next number in the series : 1, 3, 2, 4, 3, 5, 4, 6, 5, ... ?? Correct Answer 7 Numbers at odd positions form a different series as well as the numbers at even positions. Series formed by the numbers at odd positions = 1,   2,   3,   4,   5,......... Series formed by the numbers at even positions =    3,   4,   5,   6,   7......... So, the next number in the series is 7.

Explanation:

A retailer buys a radio from the wholesaler for TK.80. He then marks up the price by 25% and sales at a discount of 10% . What is his profit on the radio ? Correct Answer TK. 10 Time is an abstract concept, it does not have a body. So, it can not be contained “in” a watch or anything else. The correct usage is, “shown/displayed by your watch.

Explanation:

If four triangles are constructed with sides of the length indicated below, which of the following triangles will not be a right triangle ? Correct Answer 12, 15, 18 অতিভূজ = ভূমি 2 + লম্ব132 = 52+122           52 = 32 + 42      172 = 82 + 152 182  (not equal to) 122 + 152

Explanation:

কিলোমিটার সমান কত মাইল? সঠিক উত্তর ০.৬২ মেট্রিক পদ্ধতিতে' এক কিলোমিটার = ০.৬২১ মাইল = ১০৯৪ গজ = ৩২৮১ ফুট

Explanation:

Nader drove from Mymensingh to Dhaka at 60 miles/hour. Returning over the same route , there was a lot of traffic , and he was only able to drive at 40 miles/hour . If the return trip took 1 hour longer, what is the distance between Dhaka and Mymensingh ? Correct Answer 120 miles Let, s = distance between Dhaka to Mymensingh. t = time taken to travel from Mymensingh to Dhaka V = velocity We have s = vt Hare s(distance) is constant ATQ v×t = v1×t1 60t = 40(t + 1) t = 20 So s = 60×20 = 120 mile Ans. 120 mile

Explanation:

In a school cricket team, players are selected from both junior section and senior section. If the ratio of juniors to seniors in the team is 3:5 , what percentage of the team members are seniors ? Correct Answer 62.5% Sum of the whole ratio (3 + 5) = 8 Percentage of the seniors in the team = (5/8)*100% = 62.5%

Explanation:

Rahim has three times as much money as Karim has. If Rahim gives Karim TK.50 then Karim will have three times as much money as Rahim will have. How much money do they have together ? Correct Answer 100 প্রশ্নঃ Rahim has three times as much money as Karim has. If Rahim gives Karim TK.50 then Karim will have three times as much money as Rahim will have. How much money do they have together ? বর্ণনাঃCase 1: Rahim has three times as much money as Karim has. let, karim's money = x, so rahim's money = 3xCase 2: If Rahim gives Karim TK.50 then Karim will have three times as much money as Rahim will have.After the condition - Rahim gives Karim TK.50Karim's money = x + 50 & rahim's money = 3x - 50After the condition - Karim will have three times as much money as Rahim will have,karim's maney = 3 * rahim's moneyor, x + 50 = 3(3x - 50)or, x + 50 = 9x - 150or, 8x = 200so, x = 25So, The money do they have together is: x + 3x = 4x = 4*25 = 100 Answer: 100

Explanation:

If a>b>c then which of the following can never be true ? Correct Answer 2c>a+b if a>b>c then, a>c, and, b>c so, a + b>c + c or, a + b>2c so, 2c>a + b can never be true. Normal 0 false false false EN - US X - NONE X - NONE /* Style Definitions */ table.MsoNormalTable {mso - style - name:"Table Normal"; mso - tstyle - rowband - size:0; mso - tstyle - colband - size:0; mso - style - noshow:yes; mso - style - priority:99; mso - style - qformat:yes; mso - style - parent:""; mso - padding - alt:0in 5.4pt 0in 5.4pt; mso - para - margin - top:0in; mso - para - margin - right:0in; mso - para - margin - bottom:10.0pt; mso - para - margin - left:0in; line - height:115%; mso - pagination:widow - orphan; font - size:11.0pt; font - family:"Calibri", "sans - serif"; mso - ascii - font - family:Calibri; mso - ascii - theme - font:minor - latin; mso - hansi - font - family:Calibri; mso - hansi - theme - font:minor - latin; mso - bidi - font - family:"Times New Roman"; mso - bidi - theme - font:minor - bidi;}

Explanation:

Nisha's father contributes to her savings by giving her 10% of her total savings. If Nisha saves TK.100 in June, TK.250 in July and TK.130 in August, how much will she have in savings at the end of August ? Correct Answer TK. 528 100*10% = 10, 250*10% = 25, 130*10% = 13, Total = 100 + 250 + 130 + 10 + 25 + 13 = 528

Explanation:

On Sunday, the price of a share was TK.560. If the price of the share was TK.630 at the closing of the day, what was the percent increase in the price of the share for the day ? Correct Answer 12.5% incresed tk = 630 - 560 = 70, so incresed % = (70/560)*100 = 12.5

Explanation:

Zarina has started a wholesale jewelary making business. She makes 36 bracelets a day, and sells them to local shops for TK.180 a dozen. How much does Zarina make per week if she works 5 days a week ? Correct Answer TK. 2,700 She makes 36 pieces 12 pieces = 1 dozen 36 pieces = 3 dozen So, she sales per day (180*3) = 540 Tk As she works for 5 days in a week, so she can sale (540*5) = 2700 tk per week

Explanation:

If Bashar can run around a ground four times in 20 minutes and Rahim can run around the same ground three times in 12 minutes, who can run around that ground more times in an hour, and how many times more can he run around ? Correct Answer Rahim , three times more rounds of bashar at one hr = (4*60)/20 = 12 rounds of rahim at one hr = (3*60)/12 = 15 difference = 15 - 12 = 3, ans: Rahim, three times

Explanation:

A boy got 50% of the questions on a test correct. If he had 10 questions correct out of the first 12, and 25% of the remaining questions correct, how many questions were on the test ? Correct Answer 28 letx = number of questionsTherefore,correct answer = 50% of x10 + 1/4 (x - 12) = 0.5x10 + 0.25x - 3 = 0.5x7 = 0.5x - 0.25x7 = 0.25xx = 7 / 0.25x = 28Therefore, they are 28 questions on the test.

Explanation:

What is the greater of two number whose product is 90, if sum of these two numbers exceeds their difference by 30 ? Correct Answer 15 Let the numbers be p and q . where p > q.According to the question,(p + q) – (p – q) = 30⇒ p + q – p + q = 30⇒ 2q = 30 ⇒ q = 30 = 15 2 ∴ pq = 900⇒ 15p = 900 ⇒ p = 900/15 = 60

Explanation:

Of the 32 students in a certain class , 15 are in debating club and 20 are in music club. If 10 of the students are not in either club, how many of the students are in only one of the two clubs ? Correct Answer 9 Out of 3210 are not in either of the clubsThus22 = 15 + 20 -bothBoth = 13Thereforeonly music = 15-13 = 2only Dance = 20 - 13 = 7Hence 7 + 2 =9

Explanation:

Rahim sells 60% of apples he had and throws away 15% of the remainder . Next day he sells 50% of the remainder and throws away the rest. What percent (in total) of his apples does Rahim throw ? Correct Answer 23% Let total apple = x At 1st day: Remaining apple = 40% of x = .4x and throwing apple = .4x *15% = .06x At 2nd day: Remaining apple = .4x - .06x = .34x and throwing apple = .34x *50% = .17x So total throwing apple = .06x + .17x = .23 x, that menas 23% of total

Explanation:

If the following series continues to follow the same pattern, what will be the next number : 2, 6, 3, 9, 6, ......? Correct Answer 18 in each pair, 2nd number is three times of 1st number, so blank number = 6×3 = 18

Explanation:

If 3x +9 =15, then x +2 =? Correct Answer 4 3x + 9 = 15 বা, 3x = 15 - 9 বা, 3x = 6 so, x = 2 x + 2 = 2 + 2 = 4

Explanation:

In creasing the original price of an item by 10%, then decreasing by 20% and then again increasing the price by 10% is equivalent to Correct Answer 3.2% decrease In creasing the original price of an item by 10%, then decreasing by 20%  the effect of it Will be  +10-20+ [10×(-20)]/100 = -12Then again increasing the price by 10% the effect will be  -12+10 +[(-12)×10]/100 =  -3.2So, 3.2 decrease

Explanation:

কোন ক্ষুদ্রতম সংখ্যাকে ৩, ৫, ৯ দ্বারা ভাগ করলে ভাগশেষ ২ হবে? সঠিক উত্তর ৪৭ ৩, ৫, ৯ এর ল.সা.গু ৪৫ অর্থাৎ ৪৫ এর সাথে ২ যোগ করলে ৩, ৫, ৯ দ্বারা ভাগ করলে প্রতিক্ষেত্রে ২ অবশিষ্ট থাকবে। সুতরাং সংখ্যাটি - - ৪৭

Explanation:

If the average of 2x and 4x is 12, then x is equal to Correct Answer 4 (2x + 4x)/2 = 12 বা, 3x = 12 so, x = 4

Explanation:

If A>B and C<0, which of the following is correct? Correct Answer AC< BC A > B and C < 0 ie. C is nnegative so, AC < BC

Explanation:

Desscribel the following sequence in mathematical terms : 144, 72, 36, 18, 9 Correct Answer Descending geometric sequence geometric sequence means multiplying or dividing by same value, here it is seen that gradually divided by 2. so it is geometric sequence .

Explanation:

The average of four consecutive odd positive integers is always. Correct Answer an even number 1 + 3 + 5 + 7 = 16 average = 16/4 = 4 even number

Explanation:

৩ দিনে একটি কাজের ১/১৮ অংশ শেষ হলে, ঐ কাজের ৪ গুণ কাজ করতে কতদিন লাগবে? সঠিক উত্তর ২১৬ দিন ১/১৮ অংশ = ৩ দিন সম্পূর্ণ বা ১ অংশ = ৩*১৮/১ = ৫৪দিন ৪গুণ কাজ করতে সময় লাগবে = ৫৪*৪ = ২১৬ দিন

Explanation:

৮০ জন ছাত্রের মধ্যে ৪৪ জন ফেল করলে পাসের হার কত? সঠিক উত্তর ৪৫% ৮০ জনের মধ্যে ৪৪ জন ফেল মানে পাস করেছে - ৮০ - ৪৪ = ৩৬ জন। অর্থাৎ, ৮০ জনের মধ্যে পাস করেছে ৩৬ জন সুতরাং, ১ জনের মধ্যে পাস করেছে ৩৬÷৮০ এবং ১০০ জনের মধ্যে পাস করেছে ৩৬÷৮০*১০০ = ৪৫ জন উত্তর - ৪৫%