The ratio of the angles of a triangle is 2: 3: 4 calculate the value of the largest angle in the triangle.
A. 80 degree
B. 91 degree
C. 54 degree
D. 451degree
সঠিক উত্তরঃ
A.
80 degree
Explanation: Sum of ratios = 2+3+4 = 9.
Total angle = 180 degrees.
Largest angle = (4/9) * 180 = 80 degrees.
Related Questions (Any University/Year)
- A vendor sells 5 lemons for a taka, to make 40% profit. How many lemons did he buy for a taka?
- If a 60 ml of water contains 20% of chlorine, how much water must be added in order to create a 12.5% chlorine solution?
- Shuvo requested for an equal number of Math and English books. The delivery stuff mistakenly delivered 300 extra Math books, making the ratio 6:5. How many books did Shuvo originally order?
- Which of these is NOT a correct way to find 75% of 25?
- খুলনা বিশ্ববিদ্যালয় হতে রূপসা ব্রীজ পর্যন্ত সরল পথে ৪০ মিটার ব্যবধানে লাইট পোষ্ট স্থাপন করা আছে। প্রথম থেকে নবম পোষ্ট পর্যন্ত প্রতি মিটার ৩০০০ টাকা ব্যয়ে ড্রেন নির্মাণ করতে গেলে কত টাকা লাগবে?
- Successive discount of 25% and 20% are equal to a sings discount of-
- What was the original price of an item if a discount of 20% reduced the price to Tk. 100?
- In a race of 10 km A beats B by 1 km and B beats C by 1 km. So by how many meters A beats C?
- If x+y=4, y+z = 8 and z+x= 6, then 2y-z-0
- তিনটি সংখ্যার গড় হচ্ছে ৬ এবং চারটি সংখ্যার ( পূর্বের তিনটিসহ) গড় হচ্ছে ৮ । চতুর্থ সংখ্যাটির অর্ধেক কত.হবে?
- সঠিক বন্ধনীর ব্যবহার হয়েছে নিচের কোন সমীকরণে?
- A man and his wife have seven sons, and every one of the sons has a sister, How many are there in the family?
- এক ব্যক্তি তাঁর স্ত্রীর চেয়ে ৫ বছরের বড় এবং তাঁর স্ত্রীর বয়স তাদের ছেলের বয়সের ৪ গুণ। ৩ বছর পর ছেলের বয়স ১৪ বছর হলে সেই ব্যক্তির বর্তমান বয়স কত?
- x = y - (50/y), where x and y are both > 0 if the value of y is doubled in the equation above, the value of x will
- যদি, \(\sqrt{\sqrt{\sqrt{3x}}}=\sqrt[4]{2x}\) তাহলে, x এর সবচেয়ে বড় সম্ভাব্য মান কোনটি?
- টেলিফোনের মোট কল সংখ্যা হল 'n' এবং প্রত্যেক কলের চার্জ হল 'p'। মোট কল চার্জ কত হবে?
- 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?
- The length of a field i 1.5 times of it s width . If the width if this field is 20 meters. find out the cost of fencing the field at a cost of Tk. 5.0 per meter.
- The salary of Mr. Amitabh is 33.33% more than that of Mr. Asif, and the salary of Mr. Asif is 25% less than that of Mr. Anik. If the salary of Mr. Anik is Tk. 20,000, what is the salary of Mr. Amitabh?
- At a local appliance manufacturing facility, the workers received a 20% hourly pay raise due to extraordinary performance. If one worker decided to reduce the number of hours that he worked so that his overall pay would remain unchanged, by approximately what percent would he reduce the number of hours that he worked?
- একটি দ্রব্য ৩৮০ টাকায় বিক্রয় করায় ২০ টাকা ক্ষতি হলো। ক্ষতির শতকরা হার কত?
- For a picnic, a bus was rented for Tk. 2400 and it was decided that every passenger would have to share the fare equally. But due to the absence of 10 passengers, fare per head was increased by Tk. 8. How many passengers did go by the bus?
- What is the average of four tenths and five thousandths?
- A colony of 15,000 ants increased by 50% after being fed. Then after 4 weeks without food, the number of ants dropped by 60%. What percentage decline did the original population undergo?
- একটি ট্রেন ১৫ সেকেন্ডে চলে ২০ ফুট। একই দ্রুততায় ট্রেনটি ৩ সেকেন্ডে কত ফুট চলবে?
- Lima is 6 years older than her sister Sharmin, and Jamal is 5 years older than Lima. If the total of their ages is 41, how old is Jamal?
- A certain integer n when divided by 5 yields a remainder of 4. Which of these cannot be an integer?
- 150 meter long train takes 10 seconds to pass a man who is going in the same direction at the speed of \(2~km/hr.\) what is the speed of the train?
- 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?
- If 12 men can reap 120 acres of land in 36 days, how many acres of land can 54 men reap in 54 days?
- A man buys some pens and pencils. The pen costs Tk. 7 each and the pencil costs Tk. 3 each. If the man spends exactly Tk. 81 and buys the maximum number of pen possible under these conditions, what is the ratio of pens to pencils?
- A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is:
- If y/x =1/5 and 2x+y=33, then what is the value of x?
- In takes one machine 4 hours to complete a production order and another machine 3 hours to complete the same order. How many hours would it take when both machines complete the order simultaneowsly at their respective rates?
- একটি সোনার গহনার ওজন ১৬ গ্রাম। এতে সোনা ও তামার অনুপাত ৩ঃ ১। এতে কি পরিমাণ সোনা মেশালে ৪ঃ ১ হবে?
- The average weight of 3 young men is 53 kg. None of them weighs less than 51 kg. What is the maximum weight of any one man?
- What number should replace the question mark?
- Rahim is paid twice the hourly wages of Selim, Karim is paid one-third of the hourly wage of Karim is delim paid?
- During transportation, 5% merchandise was stolen and another 5% was damaged, At what profit (in percentage) should the goods be sold so as to make an overall profit of 20%