যদি x = -3 এবং y = 2 হয় তবে xy2 = কত?
A. 6
B. 20
C. -18
D. -12
বেসামরিক বিমান চলাচল কর্তৃপক্ষ,নিরাপত্তা অপারেটরগণিতবেসামরিক বিমান চলাচল কর্তৃপক্ষ,নিরাপত্তা অপারেটর - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
D.
-12
Explanation:
Related Questions (Any University/Year)
- (3×5)4 এর মান কত?
- xa+a=xb+b হলে ,x এর মান কত ?
- ৯ এবং ১৬ এর মধ্যসমানুপাতী কত
- A train takes 18 seconds to pass completely through a station 162 m long and 15 seconds through another station 120 m long. The length of the train is-
- If a=b and 1/c=b then c=
- The ratio between the length and the perimeter of a rectangular plot is 1 : 3 and the ratio between the breadth and perimeter of that plot is 1 : 6 What is the ratio between the length and area of that plot?
- ৯ দিয়ে বিভাজ্য ৩ অংকবিশিষ্ট একটি সংখ্যার প্রথম অংক ৩, তৃতীয় অংক ৮ হলে মধ্যম অংকটি কত?
- If the number 5 * 2 is divisible by 6, then * = ?
- x>y এবং z<0 হলে , কোন শর্তটি সঠিক হবে ?
- A man travels 4 miles north, 12 miles east, and then 12 miles north. How for ( to the nearest mile ) is he from the starting point ?
- At a certain bookstore , the regular price of each book is 20 percent less than its list price. If during a sale the price of each book at the store was 15 percent less than its regular price, then the price of a book during the sale was what percent less than its list price ?
- In a city, 40% of the adults are illiterate while 85% of the children are literate. If the ratio of the adults to that of the children is 2:3, then what percent of the population is literate?
- 3.5 can be expressed in terms of percentage as ----
- সমকোণী ত্রিভুজের সমকোণ সংলগ্ন বাহুদ্বয় যথাক্রমে ১২ ও ৫ সেমি. হলে তার অতিভুজের মান কত?
- A time study specialist has set the production rate for each worker on a job at 22 units every three hours. At this rate, what is the minimum number of workers that should be put on the job, if at least 90 units are to be produced per hour?
- How many of the integers between 150 and 160 are prime numbers?
- A book sells for Tk. 65. This price gives the seller a profit of 30% on his cost. what would be the new selling price if he cuts his profit 10% of the cost?
- Two-thirds of the members of a committee are women, one-fourth of the male members of the committee are married. If there are 9 bachelors in the committee, how many members are there altogether?
- ∆ABC এ AB ও AC বাহুর মধ্যবিন্দু যথাক্রমে D, E । যদি BC=12 সে.মি হয়, তবে DE= কত?
- একজন ব্যবসায়ী একটি পণ্য ৮০ টাকায় ক্রয় করে ১০০ টাকায় বিক্রয় করলে ক্রয়মূল্যের ওপর তার লাভের হার কত?
- During a certain season, a team won 80% of its first 100 games and 50% of its remaining games. If the team won 70% of its games for entire season, what was the total number of games that the team played?
- From 7 : 00 AM to 11:00 AM it rained 2.25 inches. At 11:00 AM the rain increased ti fall at a rate of 1.25 inches every two hours. How many inches of rain landed on the ground by 5:00 PM?
- Among the 120 students of a class, numbered 1 to 120, all even numbered students opt for Bangla, whose numbers are divisible by 5 opt for English and those numbers are divisible by 7 opt for Math. How many opt for none of these three subjects?
- A man buys doughnuts at the rate of Tk. 7.20 per Dozen. If the profit is Tk.30, how many doughnuts did he buys?
- In a bank 30% of the applicants are from rajshahi district and 20% of them from Rajshahi city. What percentage of the total applicants are from Rajshahi city?
- x3=-1 হলে, x+1 = কত?
- In a certain store, the profit is 320% of the cost. If the cost increases by 25% but, the selling price remains constant, approximately what percentage of the selling price is the profit ?
- A father is 61 and his son is 16. In how many years will the father be twice as old a his son?
- Topu's income is Tk.2,000 more than that of Jamal. Their total salary is Tk.x. What is Jamal's salary?
- A=1005 এবং B= 5021 হলে কোনটি সত্য?
- Rina and shila entered into a partnersship with their capitals in the ratio 5 : 6. At the end of 8 months, Rina withdraws her capital. If they receive the profit in the ratio of 5 : 9, find how long shila's capital was used?
- x+y=12 ও x-y=2 হলে xy এর মান কত?
- Of the total amount that Jill spent on a shopping trip, excluding taxes, she spent 50% on clothing 20% on food, and 30% on other items. If Jill paids 4% tax on clothing , on tax on the food, and an 8% tax on all other items, then the total tax that she paid was what percent of the total amount that she spent, excluding taxes?
- Which of the following trains is the fastest ?
- ১ হতে ৩০ পর্যন্ত কয়টিু মৌলিক সংখ্যা আছে?
- A man buys doughnuts at the rate of tk.35 per 100 piece and sells them at tk 7.20 per dozen.If the profit is tk 30,how many doughnuts did he buy?
- ধানে চাল ও তুষের অনুপাত ৭ঃ৩ হলে শতকরা কী পরিমাণ চাল আছে?
- যদি a+b=2, ab =1 হয় তবে a এবং b এর মান যথাক্রমে-
- ১১ জন লোকের গড় ওজন ৭০ কেজি। ৯০ কেজি ওজনের একজন লোক চলে গেলে বাকীদের গড় ওজন কত হয়?
- If a's income is 25% less than of B, then how much percent is B's income more than that of A?