If a + 2b = 6 and ab =4 , what is
A. 3/2
B. 1
C. 1/2
D. 2
Sonali Bank Ltdসাধারণ গণিতবীজগণিতীয় রাশিবীজগণিতীয় রাশি (Topic Practice)Sonali Bank Ltd - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
A.
3/2
Explanation:
Related Questions (Any University/Year)
- If x + y =4 and x-y =3 then x + 2y =?
- Pallab has exactly 3 times as many Bangladeshi as non- Bangladeshi stamps in his collection. Which of the following cannot be the number of stamps in Pallb's collection?
- One night 18 percent of the female officers on a police force were on duty. If 180 officers were on duty that night and half of these were female officers, how many female officers were on the police force?
- If x: y =5:2 , then (8x+9y) : ( 8x +2y) is
- If x= 7 - 43 then find the value of (x+1x) ?
- If 9b= 81, then 3×3b=?
- A car rental agency charges Tk. 2,000 a day plus Tk. 10 per mile for its rental cars. what is the total cost of traveling a total of 400 miles in 4 days in a car rented form this agency ?
- 210 এবং 220- এর গড় কত?
- In a certain country, a person is born every 5 seconds and a person dies every 13 seconds, Therefore the birth and death rates account fora population growth rate of one person every---
- If 62 =34 + 4x. what is x ?
- 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?
- 3x+4=2x+6 হলে x এর মান কত?
- সুমনের কাছে যে টাকা আছে তা দিয়ে সে ১৮ টি ডাকটিকিট ক্রয় করতে পারে ।যদি প্রতিটি ডাকটিকিটের মূল্য ৪ টাকা কম কত হত তাহলে সে আরো দুটি ডাকটিকিট বেশি ক্রয় করতে পারত । তার কাছে কত টাকা আছে ?
- After reducing the salary of a man by 50% and subsequently it is increased by 40% The loss is
- In a cricket match, a batsman scored 80 runs which included 3 boundaries and 8 sixes . What percent of his total score did he make by running between the wickets ?
- Mostafa had traveled 1/3 of the total distance of his trip when his car broke down. He finished the journey on foot, spending twenty times as long walking as he had spent driving. How many times faster was his driving speed than his walking speed?
- আবুর মাসিক আয় বাবুর মাসিক আয় থেকে ৪০% বেশি এবং বদির মাসিক আয়ের ৭/৮ অংশ। বাবুর মাসিক আয় ৫০০০ টাকা হলে, তাদের তিনজনের মোট মাসিক আয় কত?
- 16 ounces of fresh orange juice contains 216 calories and 16 ounces of fresh grapefruit juice contains 174 calories. If an 8 ounce mixture of these two juices contains 94 calories, what fraction of the mixture is orange juice?
- যদি 2A = 3B =4C হবে, তবে A : B : C কত হবে?
- X CDs can be purchased for Tk.y.How many CDs can be purchased with Tk.Z
- Mixture X is 40 percent peanut and 60 percent hazel nut by weight-, mixture Y is 25 percent peanut and 75 percent cashew nut. If a mixture of X and Y contains 30 percent peanut, what percent of the weight of this mixture is X?
- একটি ঝুঁড়িতে রাখা আম, কমলা ও লিচুর অনুপাত যথাক্রমে ৭:৩:২ । ঝুঁড়ি থেকে কিছু আম সরানো হলো এবং নতুন কিছু কমলা ও লিচু রাখা হলো। এতে করে ঝুঁড়িতে আম, কমলা ও লিচুর নতুন অনুপাত যথাক্রমে ৯ : ৫ : ৪ হলো । ঝুঁড়িতে পরবর্তীতে যোগ করা লিচুর সংখ্যা সর্বনিম্ন কত হতে পারে?
- The sum of twice a number and three times of 42 is 238. what is the sum of trice the number and two times of 42?
- Three times the first of three consecutive odd integers is 3 more than twice the third. What is the third integer?
- If x=1 then -(x4+x3+x2+x)=
- If x +5y=16 and x=-3y, then y=?
- One night 18 percent of the female officers on a police force were on duty. If 180 officers were on duty that night and half of these were female officers, how many female officers were on the police force?
- A jar contains marbles of four different colors . The number of blue marbles is 3 times as many as the yellow ones. The number of red marbles is half that of the yellow ones. The number of orange marbles is equal to the number of red ones . What percent of the marbles are orange colored ?
- A farmer can pick 12 cabbages in one hour. Working at the same rate, how long in hourswould it take two farmers to pick 48 cabbages.
- ১৪৩ টাকাকে ২:৪:৫ অনুপাতে ভাগ করলে বৃহত্তম ও ক্ষুদ্রতম অংশের পার্থক্য কত টাকা হবে ?
- a,b ∈R;a=not 0, b=not 0 হলে a0+b0 এর মান কত?
- If y= 8x+12 and x= z+2, what is y in terms of z?
- Logarithm tables were invented by-
- Given that a and b are real numbers, let f (a,b)=ab and let g(a)= a2+2. Then f[3,g(3)]=
- It x/(y-I 1) 2/5, then y = ?
- If x/y = 2 then (x - y)/x =?
- একটি সংখ্যা থেকে সংখ্যাটির ৪০% বিয়োগ করলে ৩০ থাকে । সংখ্যাটি কত?
- The sum of a number and its inverse (or reciprocal) is equal to twice the number. What is the number?
- The cost of manufacturing x water pumps is Tk.9000+400x. The amount received by selling these x water pumps is Tk. 500x. What is the least number of water pumps that must be manufactured and sold so that that the amount recieved is at least equal to the manufacturing cost ?
- দুটি সংখ্যার ল.সা.গু ৮৪ এবং গ.সা.গু ১৪ একটি সংখ্যা অপর সংখ্যার দুই-তৃতীয়াংশ হলে ছোট সংখ্যাটি কত?
