নিচের কোন সংখ্যাটি দুটি ধনাত্মক সংখ্যার গুনফল যার যােগফল হচ্ছে ৩?
A. 0
B. 1
C. 3
D. 2
সঠিক উত্তরঃ
D.
2
Explanation:
Related Questions (Any University/Year)
- A rope cut into 3 pieces with each piece twice as long as the previous one. the length of longest piece is 3 meter, what was the length of the rope in meter?
- The smallest of three consecutive even integers is 8 less than three times the largest. What is the largest of these integers?
- What is 0.04 × 0.032 in terms of percent?
- Raisa took one cup of half olive-oil and half vinegar and poured it in a jar that had equal parts of olive-oil, vinegar, and water. If the result is a three-cup mixture of salad dressing, what portion of the dressing is olive-oil?
- A container holds 40 gallons which is 80% water and 20% acid. How much of the water must be evaporated to produce a solution containing 50% acid?
- A scientist needs a 10% saline solution for an experiment. In his closet he finds a 20 ounce bottle of 25% saline solution. How many ounces of pure water should he add to the mixture to produce the correct saline solution‘?
- The average weekly salary per head of all employees is Tk. 1000 (Supervisors and Labours). The average weekly per head salary of all supervisors is Tk. 6000 while the average weekly salary per head of all labours is Tk. 750. If there are 840 labours in it find the number of supervisors
- It takes 27 seconds and 17 seconds for two trains to cross a stationary man on the platform in reverse. If two trains take 23 seconds to cross each other, what is the speed ratio?
- Six years from now, Afnan's age will be the square of her age six years ago. What is Afnan's age?
- of the 400 students in a business school,30% were women and of these 1/5th became entrepreneurs.If the number of men who became entrepreneurs was twice the number of women entrepreneurs,how many men became entrepreneurs?
- A CD player and A DVD player have the same price. If the price of the CD player goes up by 10% and that of the DVD player is decreased by 5%, how much more will it cost to buy 5 CD players and 5 DVD player?
- Six men can earn as much as eight women, two women can earn as much as three boys and four boys can earn as much as five girls. If a girl can earn Tk. 50 a day, what amount can a man earn in a day?
- দুইজন ব্যক্তি একটি কাজ একত্রে ৮ দিনে করতে পারে। প্রথম ব্যক্তি কাজটি একা ১২ দিনে করতে পারে। ২য় ব্যক্তি ঐ কাজ একা কতদিনে করতে পারবে?
- A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:
- Faruk covers d miles in the first hour,e miles in the second hour and f miles in the third hour what is the average rate for the entire trip?
- একটি প্রতিষ্ঠানের ৪০% কর্মচারী আন্ডারগ্রাজুয়েট অবশিষ্ট কর্মচারীদের ৫০% গ্রাজুয়েট এবং অবশিষ্ট ১৮০ জন পোস্ট গ্রাজুয়েট। প্রতিষ্ঠানটির কত জন কর্মচারী গ্রাজুয়েট?
- How many flowers are there if all of them are roses except two, all of them arc tulips except two, and all of them are daisies except two?
- A man purchased equal number of bananas at two different rates- one at the rate of 8 Taka per dozen and the other at the rate of 10 Taka per dozen.After that,he sold those bananas at an average rate of 11Taka per dozen and thus made a profit of 100 taka .How many dozens of banana did he purchase altogether?
- Six years ago Anita was P times as old as Ben. Anita is now 17. How old is Ben now in terms of p?
- If the price of onion goes up by 25%, by how much should usage be reduced in order to keep the total expense for onion as before?
- A trader purchased some pen for TK 120. If the price of each pen were Tk. 3 less, he would have got 2 more pens, How many pens did he buy?
- The ratio of working hours of three workers is 1: 2: 5 . If they worked on a combined total of 112 hours , what is the longest hour did one worker work?
- After working for a total of 4 hours at a temporary job, you were told that you had just completed ¼ of the job. How long should it take you to finish the remaining part of the job?
- The ratio of boys and girls in a school is 9:5.If the total number of students in the school is 1050.Then number of boys is
- 24 men working at 8 hours per day can do a piece of work in 15 days. In how many days can 20 men working at 9 hours per day do the same work?
- পাঁচটি বিড়াল পাঁচটি ইঁদুর ধরতে সময় নেয় পাঁচ মিনিট। ৩০টি বিড়াল ৩০ টি ইঁদুর ধরতে কত সময় নেবে?
- 40% of students in a class are smart. The rest are stupid. Half the students play sports and half don't. If 20% of the students are smart and play sports, what percent of the students are stupid and don't play sports?
- The average age of a team is 32.7 years. The average age of the males in the team is 33.2 years and the average age of the females is 32.2 years. What is the ratio of the number of females to the number of males in the team?
- চারটি মেশিন একই গতিতে একসাথে কাজ করে ৬ দিনে - x টি কলম উৎপাদন করতে পারে। ঐ একই গতিতে ৪ দিনে ৩x টি কলম উৎপাদন করতে কতটি মেশিনের কাজ করতে হবে?
- The electric company charge: Tk 0.3 per KWH. Rahim used 2800 KWH in April, 3200 KWH in May, and 3600 KWH in June. What was his average costs of electricity in taka for the 3 months?
- Which of the following is equal to 85 percent of 160?
- If a/x+b=1 , what is the value of x?
- Last year Mrs. Shahana received TK. 160 in dividends on her shares in company X stock if she had 15 more shares of the stock last year, she would have received TK. 25 more in total dividends. How many shares of the stock did she have last year?
- 8 years ago Mr. Karim was 1/3 the age he will be after 10 years. What is his age now?
- In the figure, AC = AD, and CD = BD = AB. What is the value of ∠CAD?
- Real Madrid has won 40 games out of 60 played. It has 32 more games to play. How many of these must the team win to make its record 75% win for the season?
- According to the given data how many more employed were there in 1990 than in 2000?
- While selling a dangerous artifact, Tanisha was asking for such a price that will enable her to offer a 10% discount and still make a profit of 20% on cost. If the cost of the artifact was Tk. 30, what was her asking price?
- In the figure, AC=AD, and CD = BD = AB. What is the value of <CAD?
- ঢাকা থেকে টাঙ্গাইলের দূরত্ব ৪৫ মাইল। করিম ঘণ্টায় ৩ মাইল বেগে হাঁটে এবং রহিম ঘণ্টায় ৪ মাইল বেগে হাঁটে। করিম ঢাকা থেকে রওয়ানার এক ঘণ্টা পর রহিম টাঙ্গাইল থেকে ঢাকা রওয়ানা হয়েছে। রহিম কত মাইল হাঁটার পর করিমের সাথে দেখা হবে?
