mathematics MCQs
Showing 50 questions (Total: 16798)
If x men can do a work in 8 days and x+4 men can do it in 6 days, what is the value of x ?
Correct Answer:
D: 12
Explanation:
If x men can do a work in 8 days and x+4 men can do it in 6 days, what is the value of x ? Correct Answer 12 Hints: x জন করে 8 দিনে 1 জন করে 8x দিনে (x + 4) জন করে 6 দিনে 1 জন করে 6(x + 4) দিনে এখন, 8x = 6x + 24 2x = 24 x = 12
If product of two sequential positive odd numbers is 255, what are those numbers ?
Correct Answer:
D: 15,17
Explanation:
If product of two sequential positive odd numbers is 255, what are those numbers ? Correct Answer 15,17 Hints: এজন্য উত্তরে 13 আছে, 255 কে 13 দিয়ে ভাগ করে দেখা যায় অন্য Number টি মিলে না। বাকি দুইটি উত্তর এ 15 আছে। তাই 253 কে 15 দিয়ে ভাগ করলে 17 তাহলে উত্তর : 15, 17
In 4 years, Tk. 6000 amounts to Tk. 8000. In what time at the same rate will Tk. 525 amount to Tk. 700?
Correct Answer:
B: 4 years
Explanation:
In 4 years, Tk. 6000 amounts to Tk. 8000. In what time at the same rate will Tk. 525 amount to Tk. 700? Correct Answer 4 years ১ম ক্ষেত্রে, r = I×100Pn % = 2000×1006000×4 % = 253 % এখানে, P = 6000 Tk. I = (8000 - 6000) Tl/ = 2000 Tk n = 4 বছর ২য় ক্ষেত্রে, n = I×100pr = 175×100525×253 ∴ n = 4 বছর। এখানে, P = 525 I = 700 - 525 = 175 r = 253
A boat goes 8 km in one hour along the stream and 2 km in one hour against the stream. The speed in km/hr of the stream is ----
Correct Answer:
C: 3
Explanation:
A boat goes 8 km in one hour along the stream and 2 km in one hour against the stream. The speed in km/hr of the stream is ---- Correct Answer 3 ধরি, নৌকার বেগ x km/hr স্রোতের বেগ y km/hr ∴ x + y = 8 x - y = 2 [ - করে] 2y = 6 ∴ y = 3
The perimeter of a rectangle is 60 metres. If its length is twice its breadth then its area is --
Correct Answer:
D: 200 m2
Explanation:
The perimeter of a rectangle is 60 metres. If its length is twice its breadth then its area is -- Correct Answer 200 m2 ধরি, Rectangle টির প্রস্থ x m ∴ " টির দৈর্ঘ্য 2x m ∴ 2(2x + x ) = 60 ⇒ 3x = 30 ∴ x = 10 ⇒ Rectangleটির area = (2×10)×10 m2 = 200 m2
If a man's salary is 20% more than that of his son, how many percent is the son's salary if compared to the salary of his father ?
Correct Answer:
C: 83
Explanation:
If a man's salary is 20% more than that of his son, how many percent is the son's salary if compared to the salary of his father ? Correct Answer 83 Hints: Let main's salary = m, son's = s m = s + s × . 20 = 1.20S s = m/1.20 × 100% = 83.33%
A and B stats a business jointly. A invests Tk. 16000 for 8 months and B remains in the business for 4 months. Out of the total profit, B claims 2/7 of the profit. How much money was contributed by B?
Correct Answer:
B: Tk. 12800
Explanation:
A and B stats a business jointly. A invests Tk. 16000 for 8 months and B remains in the business for 4 months. Out of the total profit, B claims 2/7 of the profit. How much money was contributed by B? Correct Answer Tk. 12800 ধরি, B, x টাকা বিনিয়োগ করে ∴ B এর মাসিক সমতুল্য মূরধন 4x টাকা A " " " " (8×16000) " = 12800 আবার, ধরি মোট লাভ 7 টাকা ∴ B এর লাভ (7এর 27) " = 2 টাকা ∴ A র লাভ = (7 - 2) = 5 টাকা ∴ 12800:4x = 5:2 ⇒128004x = 52 ⇒4x×5 = 128000×2 ⇒x = 128000×220 ∴ x = 12800
The rent of a guest house was Tk 50 per day for first three days Tk 100 per day for next 5 days and Tk 300 per day for other days. The registration fee in the beginning is Tk 50. If one has to pay Tk 1300, for how many days he availed of this facility ?
Correct Answer:
A: 10
Explanation:
The rent of a guest house was Tk 50 per day for first three days Tk 100 per day for next 5 days and Tk 300 per day for other days. The registration fee in the beginning is Tk 50. If one has to pay Tk 1300, for how many days he availed of this facility ? Correct Answer 10 Hints: এই গণিতটি করতে প্রথম থেকে rent add করে যেতে হবে এবং কখন 1300। হয় তা দেখতে হবে। অথবা, option এর পাঁচটি উত্তর ব্যবহার করে দেখতে হবে। যদি, 10। দিন চিন্তা করি, খরচ = 50 + 50 × 3 + 100 × 5 + 300 × 2 = 1300 তাহলে প্রথমটি সঠিক উত্তর
In a garden, there are 10 rows and 12 columns of mango trees. The distance between two trees is 2 meters and a distance of one meter is left from all sides of the boundary of the garden. What is the length of the garden ?
Correct Answer:
C: 24 m
Explanation:
In a garden, there are 10 rows and 12 columns of mango trees. The distance between two trees is 2 meters and a distance of one meter is left from all sides of the boundary of the garden. What is the length of the garden ? Correct Answer 24 m Hints: length বের করতে হবে সর্ব্বোচ্চটির থেকে। ১২ টি column থেকে প্রাথমটির আমরা double করবনা। 11 × 2 = 22, সাথে প্রতি দুই দিক থেকে 1 মিটার যোগ 22 + 2 = 24
A motorist travels to a place 150 m away at an average speed for 50 km and returns at 30 km per hour. What is his average speed for the whole journey in km per hour ?
Correct Answer:
C: 37.5
Explanation:
A motorist travels to a place 150 m away at an average speed for 50 km and returns at 30 km per hour. What is his average speed for the whole journey in km per hour ? Correct Answer 37.5 Hints: বেগ = দূরত্ব / সময় Average বেগ বার করতে Total travelling time বপর করতে হয়। প্রথমে সময় লাগে = 150/50 = 3 hr পরে সময় লাগে = 150/30 = 5 hr average speed = 150 + 150/3 + 5 = 37.5 km/h
The average of Selim's marks in 7 subjects is 75. His average in six subjects excluding Science is 72. How many marks did he get in Science ?
Correct Answer:
C: 93
Explanation:
The average of Selim's marks in 7 subjects is 75. His average in six subjects excluding Science is 72. How many marks did he get in Science ? Correct Answer 93 Hints:average mark = মোট 7 টি subject এর mark /7 science এর মার্ক = ( 7 × 75 - 6 × 72) = 93
what is the maximum number of 3 *3 squares that can be formed from the squares in the 6* 6 checker board to the right?
Correct Answer:
D: 16
Explanation:
what is the maximum number of 3 *3 squares that can be formed from the squares in the 6* 6 checker board to the right? Correct Answer 16 প্রতি সাইড হতে, 6 ×6 Checker board থেকে 3×3 square এর সর্বোচ্চ বর্গ হবে (6×6)/(3×3) = 4 টি এরুপ 4 টি different side হতে সম্ভব 4×4 = 16 টি
In the formula e = hf . if e is doubled and f is halved , what happens to the value of h?
Correct Answer:
D: h is multiplied by 4
Explanation:
In the formula e = hf . if e is doubled and f is halved , what happens to the value of h? Correct Answer h is multiplied by 4 2e = h. f/2 h = 4e / f আগে, e = hf h = e/f অর্থাৎ, h এর সাথে 4 গুন হবে।
What is the value of x if 4/x +3/5 = 10/x ?
Correct Answer:
D: 10
Explanation:
What is the value of x if 4/x +3/5 = 10/x ? Correct Answer 10 Hints: 4/x + 3/5 = 10/x 4/x - 10/x = - 3/5 - 6/x = - 3/5 x = 10
The number of marbles in Amin's collection is 80% of the number in Rahim's collection. If Rahim has 80 more marbles than Amin, how many marbles do they have altogether ?
Correct Answer:
A: 720
Explanation:
The number of marbles in Amin's collection is 80% of the number in Rahim's collection. If Rahim has 80 more marbles than Amin, how many marbles do they have altogether ? Correct Answer 720 Hints: Rahim এর মার্বেল সংখ্যা = R and Amin = A R = 80 + A ; A = .80(80 + A) A = 64 + .80A .20 A = 64 A = 320 তাহলে, R = 80 + A = 80 + 320 = 400 total = 400 + 320 = 720
A train went 300 miles from City X to city Y at an average rate of 80 mph. At what speed did it travel on teh way back if its average speed for the whole trip was 100 mph?
Correct Answer:
C: 133 1/3 mph
Explanation:
A train went 300 miles from City X to city Y at an average rate of 80 mph. At what speed did it travel on teh way back if its average speed for the whole trip was 100 mph? Correct Answer 133 1/3 mph এখানে 3 টি average rate - একটি total, বাকি দুইটি যেতে (a) এবং ফেরত আসতে (b) avg rate. একটি formula দিয়ে ফেরত আসতে avg.rate বের করি। total avg. rate = 2ab/ (a + b) 100 = (2 ×80×b)/(80 + b) 100 = ( 160b)/( 80ub) 8000 + 100b = 160b 8000 = 60b b = 133.33 = 133 1/3 mph
which of the following figures has the smallest perimeter of circumference?
Correct Answer:
B: a square with a diagonal of 2 feet
If 6 persons working 8 hours a day earn a day earn Tk. 8400 per week,then 9 persons working 6 hours a day will earn per week----
Correct Answer:
A: Tk. 9450
Explanation:
If 6 persons working 8 hours a day earn a day earn Tk. 8400 per week,then 9 persons working 6 hours a day will earn per week---- Correct Answer Tk. 9450 6 জনে 8 ঘন্টা কাজ করে পায় 8400 টাকা ∴ 6 " 1 '' '' '' '' 84008 ∴ 1 '' 1 '' '' '' '' 84008×6 '' ∴ 1 " 6 " " " " 8400×68×6 " ∴ 9 " 6 " " " " 8400×6×98×6 " = 9450 টাকা।
A water reservoir is 1/5 th full and requires 20 liters more to make it 3/5 th full. What is the capacity of the reservoir (in liters) ?
Correct Answer:
D: 50
Explanation:
A water reservoir is 1/5 th full and requires 20 liters more to make it 3/5 th full. What is the capacity of the reservoir (in liters) ? Correct Answer 50 Hints: 1/5th full আচে, 20 liter লাগে তখন 3/5th করতে। তাহলে ( 3/5 - 1/5) বা, 2/5 অংশ হচ্ছে 20 liter, তাহলে সম্পূর্ণ অংশ = 20 × 5/2 = 50 liter
In a class of 200 students , 40 percent are girls . 25 percent of the boys and 10 percent of the girls signed up for a tour to Cox's bazar . What percent of the class signed up for the tour?
Correct Answer:
A: 19%
Explanation:
In a class of 200 students , 40 percent are girls . 25 percent of the boys and 10 percent of the girls signed up for a tour to Cox's bazar . What percent of the class signed up for the tour? Correct Answer 19% ধরি, total student = x তাহলে x এর 40% girls = .40% এদের মধ্যে 10% অর্থাৎ . 10 ×.40x girls এবং একইভাবে . 25 ×. 60x boys যার tour এ অর্থাৎ percent of the class signed up = (. 25×.60x + . 10 ×.40x) /x ×100% = 19%
If A + B + C =10 , A +B =7 and A- B = 5 , what is the value of c?
Correct Answer:
B: 3
Explanation:
If A + B + C =10 , A +B =7 and A- B = 5 , what is the value of c? Correct Answer 3 A + B + C = 10 A + B = 7 7 + C = 10 or C = 3
What is the square root of 0.00000081 ?
Correct Answer:
B: 0.0009
Explanation:
What is the square root of 0.00000081 ? Correct Answer 0.0009 শুদ্ধ বানানের শব্দজোড় স্বত্ব, পিপীলিকা। স্বত্ব শব্দের অর্থ মালিকানা আর পিপীলিকা শব্দের অর্থ পিপড়া।
What is the smallest number exactly divisible by each of 12, 15, 20 and 27 ?
Correct Answer:
D: 540
If 3a+4b = 10 and 5a+3b=30, what is the average (arithmetic mean) of a and b ?
Correct Answer:
B: 2.5
Explanation:
If 3a+4b = 10 and 5a+3b=30, what is the average (arithmetic mean) of a and b ? Correct Answer 2.5 Hints: average = a + b /2 এখন, 3a + 5b + 5a + 3b = 10 + 30 8 (a + b) = 40 a + b = 40/8 a + b/2 = 40/8 × 2 = 40/16 = 2.5
Successive discounts of 20% and 12% are equivalent to a single discount of:
Correct Answer:
B: 29.6 %
What is the wrong number in the following series : 1, 23, 144, 64, 49 ?
Correct Answer:
B: 23
Explanation:
What is the wrong number in the following series : 1, 23, 144, 64, 49 ? Correct Answer 23 ব্যাকরণের সাধারণ বা বিশেষ কোনো নিয়মানুসারে যখন কোনো কর্ম ব্যাখ্যা করা যায় না, অথচ তা সংঘটিত হয়, তখন সেই ব্যতিক্রমকে বৈধতা দেয়ার নাম নিপাতনে সিদ্ধ।
Two equal glasses are respectively 1/3 and 1/4 full of milk, They are then filled up with water and the coutents mixed in a tumbler .What is the ratio of milk and water in the tumbler?
Correct Answer:
B: 7 ; 17
Explanation:
Two equal glasses are respectively 1/3 and 1/4 full of milk, They are then filled up with water and the coutents mixed in a tumbler .What is the ratio of milk and water in the tumbler? Correct Answer 7 ; 17 Quantity of milk in tumbler =14+13=712Quantity of water in tumbler=(1−14)+(1−13)=34+23=1712So, ratio of milk and water =712:1712=7 : 17
What is the ninth term of the sequence 0, 3, 8, 15, 24, 35, ...................... ?
Correct Answer:
D: 80
Explanation:
What is the ninth term of the sequence 0, 3, 8, 15, 24, 35, ...................... ? Correct Answer 80 বিভিন্ন দেশ থেকে যেসব ভাষা বাংলা ভাষায় প্রবেশ করেছে তাকে বিদেশি শব্দ বলে। যেমন - চকোলেট, মেক্সিকান শব্দ: জেব্রা দক্ষিণ আফ্রিকান শব্দ; কুইনাইন পেরুর শব্দ, লুঙ্গি বর্মি শব্দ, গোলাপ পর্তুগিজ শব্দ, ডেঙ্গু স্পেনীয় শব্দ।
50 minutes ago it was 45 minutes past 4 o'clock. How many minutes is it until six o'clock ?
Correct Answer:
C: 25
Explanation:
50 minutes ago it was 45 minutes past 4 o'clock. How many minutes is it until six o'clock ? Correct Answer 25 Green room শব্দের অর্থ সাজঘর, pass - word শব্দের অর্থ গোপন নম্বর, municipality শব্দের অর্থ পৌরসভা বা পৌরসংঘ, parcel শব্দের অর্থ সঙ্গে বহনের বা ডাকযোগে প্রেরণের মোড়ক বলা যায়।
The sum of two numbers is 146 and difference between them is 18. What are the numbers ?
Correct Answer:
B: 82,64
Explanation:
The sum of two numbers is 146 and difference between them is 18. What are the numbers ? Correct Answer 82,64 বদান্যতা শব্দটি বিশেষ্য। এর বিশেষণ বদান্য, যার অর্থ দানশীল, দাতা, উদার, মধুরভাষী, প্রিয়ভাষী, সুবক্তা ইত্যাদি।
The sum of Rahim's age and his son's age is 55 years. 5 years ago Rahim's son was 29 years younger than Rahim. What is the son's present age ?
Correct Answer:
C: 13
Explanation:
The sum of Rahim's age and his son's age is 55 years. 5 years ago Rahim's son was 29 years younger than Rahim. What is the son's present age ? Correct Answer 13 ‘লাবণ্য’ বিশেষ্য শব্দটির অর্থ কান্তি, সৌন্দর্য শোভা, লাবণি । সংস্কৃত লবণ + য (ভা) হতে শব্দটির উৎপত্তি।
1/4 of Ahsan's money is equal to 1/6 of Babu's money. If both together have Tk. 600, what is the difference between their amounts ?
Correct Answer:
B: 120
Explanation:
1/4 of Ahsan's money is equal to 1/6 of Babu's money. If both together have Tk. 600, what is the difference between their amounts ? Correct Answer 120 যৌগিক ও মিশ্র বাক্যে পৃথক ভাবাপন্ন দুই বা তার বেশি বাক্যের সমন্বয় বা সংযোগ বোঝাতে ড্যাস চিহ্ন ব্যবহৃত হয়। যেমন - দরিদ্রকে সম্মান কর - এতে তোমার সম্মান যাবে না - বাড়বে।
If the two sides of a triangle are 5 and 6, the third side cannot be .............
Correct Answer:
C: 12
Explanation:
If the two sides of a triangle are 5 and 6, the third side cannot be ............. Correct Answer 12 পার্বত্য চট্টগ্রামে ১১টি ক্ষুদ্র নৃ - গোষ্ঠীর বসতি রয়েছে। যথা : মারমা, চাকমা, মুরং, ত্রিপুরা, লুসাই, খুমি, বম, খিয়াং, চাক, পাংখােয়া ও তঞ্চঙ্গ্যা।
The number of students in each section of a school is 24. After admitting new students, three new sections were started. Now the total number of sections is 16 and there are 21 students in each section. How many new students were admitted ?
Correct Answer:
A: 24
Explanation:
The number of students in each section of a school is 24. After admitting new students, three new sections were started. Now the total number of sections is 16 and there are 21 students in each section. How many new students were admitted ? Correct Answer 24 ধর্মের কল বাতাসে নড়ে বা ধর্মের ঢাক আপনি বাজে এর অর্থ পাপ কখনও চাপা থাকে না।
On sports day, if 30 children were made to stand in a column, 16 columns could be formed. If 24 children were made a stand in a column, how many columns could be formed ?
Correct Answer:
B: 20
Explanation:
On sports day, if 30 children were made to stand in a column, 16 columns could be formed. If 24 children were made a stand in a column, how many columns could be formed ? Correct Answer 20 আকাশ শব্দের সঠিক বিপরীতার্থক শব্দ পাতাল।
Laboni bought a 1-year, Tk 10,000 certificate of deposit that paid interest at an annual rate of 8 percent compounded semiannually. What was the total amount of interest paid on this certificate at maturity ?
Correct Answer:
C: Tk, 816
Explanation:
Laboni bought a 1-year, Tk 10,000 certificate of deposit that paid interest at an annual rate of 8 percent compounded semiannually. What was the total amount of interest paid on this certificate at maturity ? Correct Answer Tk, 816 ধরি, প্রশ্নবোধক স্থানে x হবে। ∴ 853 + x ÷ 17 = 1000 ⇒ 853 + x17 = 1000 ⇒ x17 = 1000 - 853 ⇒x = 147 x 17 ∴ x = 2499
A company employs 15 persons working 44 hours a week. If 4 persons are ill, how many hours a week would the rest have to work to make up the work force lost ?
Correct Answer:
D: 60
Explanation:
A company employs 15 persons working 44 hours a week. If 4 persons are ill, how many hours a week would the rest have to work to make up the work force lost ? Correct Answer 60 পৃথিবীর সপ্তাশ্চর্যের একটি আশ্চর্য তাজমহল, তাজমহল ভারতের উত্তর প্রদেশের আগ্রা জেলায় যমুনা নদীর তীরে অবস্থিত। এ মহলটি নির্মাণকাল ১৬৩১ - ১৬৫২। তবে মূল স্থাপনার নির্মাণ কাল ১৬৩১ - ১৬৪৮। পঞ্চম মোগল সম্রাট শাহজাহান তার সহধর্মীনী আরজুমান্দ বানু বেগমের (মমতাজ মহল) স্মৃতির স্মরণে নির্মাণ করেন।
If a square mirror has a 20-inch diagonal, what is the approxirnate perimeter of the mirror, in inhes?
Correct Answer:
B: 51
Explanation:
If a square mirror has a 20-inch diagonal, what is the approxirnate perimeter of the mirror, in inhes? Correct Answer 51 বর্গাকার দর্পণটির ডায়াগোনাল বা কর্ণ d = 20 ইঞ্চি " " " বাহুর দৈর্ঘ্য a = 202 = 102 ইঞ্চি আবার, বর্গের পেরিমিটার বা পরিসীমা = 4a = 4×102 = 56.67 ইঞ্চি = 56.57 ইঞ্চি সুতরাং সর্বচ্চ পরিসীমা হবে, 57 ইঞ্চি = 57 ইঞ্চি
Of 30 applicans for a job, 14 had at least 4 years experience, 18 had degrees, and 3 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years experience and a degree?
Correct Answer:
A: 5
Explanation:
Of 30 applicans for a job, 14 had at least 4 years experience, 18 had degrees, and 3 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years experience and a degree? Correct Answer 5 মোট আবেদনকারী 30 জন 14 জনের অভিজ্ঞতা কমপক্ষে 4 বছরের 18 " " স্নাতক ডিগ্রি আছে 3 জনের অভিজ্ঞতা 4 বছর থেকে কম এখন, ডিগ্রি আছে এবং কমপক্ষে চার বছরের অভিজ্ঞ আছে তাদের সংখ্যা (30 - 3) বা 27 জন সুতরাং ডিগ্রি ও কমপক্ষে চার বছরের অভিজ্ঞতা আছে তাদের সংখ্যা = {(18 + 4) - 27} বা 5 জন
The average of eight numbers is 14 and the average of six of these numbers is 16. What is the average of the remaining two numbers ?
Correct Answer:
B: 8
If the volume of a cube is 27 cubic meters, find the surface area of the cube .
Correct Answer:
C: 54 square meters
Explanation:
If the volume of a cube is 27 cubic meters, find the surface area of the cube . Correct Answer 54 square meters a = 27a<sup>3</sup> = 3<sup>3</sup>a = 3So the surface is 6a<sup>2</sup>=6 × 3<sup>2</sup>6 × 9 = 54
Which of the following numbers is greater than three-fourths of the numbers but less than one-fourth of the numbers in list above ?
Correct Answer:
D: 71
Explanation:
Which of the following numbers is greater than three-fourths of the numbers but less than one-fourth of the numbers in list above ? Correct Answer 71 বিশ্বে জনসংখ্যায় সর্ববৃহৎ মুসলিম রাষ্ট্র ইন্দোনেশিয়া। এদেশে মুসলিম জনসংখ্যার পরিমাণ ২০,৯১,২০,০০০ জন। পাকিস্তান, বাংলাদেশ ও তুরস্ক যথাক্রমে দ্বিতীয়, তৃতীয় ও সপ্তম বৃহত্তম মুসলিম দেশ।
The average age of 30 students is 10 years and that of another group of 5 of them is 14 years. What is the average age of the remaining students ?
Correct Answer:
B: 10 years
A certain river has a current of 3 miles per hour. A boat takes twice as long to travel upstream between two points as it does to travel downstream between the same two points. What is the speed of the boat in still water ?
Correct Answer:
C: 9 miles per hour
Explanation:
A certain river has a current of 3 miles per hour. A boat takes twice as long to travel upstream between two points as it does to travel downstream between the same two points. What is the speed of the boat in still water ? Correct Answer 9 miles per hour ধরি, C কাজটি করে x দিনে ∴ A " " " " ( x + 9 ) দিনে ∴ B " " " " ( x + 9 - 5 )" = x + 4 " ∴1x + 9 + 1x + 4 = 1x ⇒x + 4 + x + 9(x + 9)(x + 4) = 1x ⇒2x + 13x2 + 13x + 36 = 1x ⇒2x2 + 13x = x2 + 13x + 36 ⇒2x2 - x2 + 13x - 13x = 36 ⇒x2 = 36 ⇒x = 36 ∴ x = 6 ∴ কাজটি করতে Aএর সময় লাগে (6 + 9) দিন = 15 দিন।
What is the difference between the sixth and the fifth terms of the sequence 2,4,7---- whose nth term is n+2n-1?
Correct Answer:
D: 17
Explanation:
What is the difference between the sixth and the fifth terms of the sequence 2,4,7---- whose nth term is n+2n-1? Correct Answer 17 n তম পদ n + 2n - 1 সুতরাং 5 তম পদ 5 + 25 - 1 = 5 + 24 = 5 + 16 = 21 এবং ৬ষ্ঠ পদ 6 + 26 - 1 = 6 + 25 = 6 + 32 = 38 এদের পার্থক্য 38 - 21 = 17
How much interest will Tk 2000 earn at an annual rate of 10% in one year if interest is compounded every 6 months ?
Correct Answer:
B: Tk 205
Explanation:
How much interest will Tk 2000 earn at an annual rate of 10% in one year if interest is compounded every 6 months ? Correct Answer Tk 205 মাদারীপুর শহর আড়িয়াল খাঁ নদীর তীরে অবস্থিত। খুলনা শহর অবস্থিত রূপসা নদীর তীরে। পদ্মা নদীর তীরে রয়েছে মাওয়া বন্দর, লৌহজং, আরিচা ঘাট, পাটুরিয়া ঘাট ও দৌলতদিয়া বন্দর।
The larger of two numbers exceeds twice the smaller number by 9. The sum of twice the larger and 5 times the smaller number is 74. If a is the smaller number, which equation below determines the correct value of a ?
Correct Answer:
D: 2 (2a+9)+5a = 74
Explanation:
The larger of two numbers exceeds twice the smaller number by 9. The sum of twice the larger and 5 times the smaller number is 74. If a is the smaller number, which equation below determines the correct value of a ? Correct Answer 2 (2a+9)+5a = 74 60 = অংঙ্গায়িত (undefined) ∴ 0 এবং6 এর H. C. F (গ. সা. গু.) undefined.
If two non-zero positive integers p and q are such that p=4q and p<8, then q= ?
Correct Answer:
A: 1
Explanation:
If two non-zero positive integers p and q are such that p=4q and p<8, then q= ? Correct Answer 1 ধরি, এর বর্তমান বয়স x বছর ∴ A " " " (x + 9 ) " ∴ (x + 19 + 10) = 2(x - 10 ) ⇒ x + 19 = 2x - 20 ⇒ 2x - x = 20 + 19 ∴ x = 39
The value -3-(-10) is how much greater than the value of -10-(-3) ?
Correct Answer:
C: 14
Explanation:
The value -3-(-10) is how much greater than the value of -10-(-3) ? Correct Answer 14 [Note: বর্তমানে মিয়ানমারের সীমান্ত বাহিনীর নাম BGP - Border Guard Police। পূর্বে দেশটির সীমান্ত রক্ষায় নিয়োজিত ছিল NASAKA]
If the annual expenditure of family A on health is x and that of family B is y, then which of the following relations is true ?
Correct Answer:
C: 5x=4y
Explanation:
If the annual expenditure of family A on health is x and that of family B is y, then which of the following relations is true ? Correct Answer 5x=4y United Nations Organization বা united Nations - এর সদর দপ্তর যুক্তরাষ্ট্রের নিউইয়র্কস শহরে অবস্থিত। অপরদিকে জাতিসংঘের ইউরোপীয় সদর দপ্তর সুইজারল্যান্ডের জেনেভায় এবং জাতিসংঘের মূল অঙ্গসংস্থা আন্তর্জাতিক আদালত নেদারল্যান্ডসের হেগে অবস্থিত।