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
A. Decrease
B. Stay the same
C. Increase four fold
D. Double
E. Increase to more then double
সঠিক উত্তরঃ
E.
Increase to more then double
Explanation:
Related Questions (Any University/Year)
- A manufacturer prints books at a cost of Tk. x each for the first thousand copies printed. The second thousand copies printed cost Tk. 0.9x each. If it costs Tk.3,264 to print 1,400 copies of a book, then x is:
- Jo's collection contains US, Indian and British stamps. If the ratio of US to Indian stamps is 5 to 2 and the ratio of Indian to British stamps is 5 to 1,what is the ratio of US to British stamps?
- Tk 500 is divided among A, B and C so that A has twice as much as B and B has thrice as much as C. how much did B receive?
- A shipping clerk has five boxes of different but unknown weights each weighting less than 100 kg. The clerk weights the boxes in pairs. The weights obtained are 110, 112, 113, 114, 115, 116, 117, 118, 120 and 121 kg. What is the weight of the heaviest box?
- 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?
- ঢাকা থেকে চট্টগ্রামের দূরত্ব ২৪০ কি. মি.। একটি বাস ঘণ্টায় ৬০ কি. মি. গতিতে গিয়ে ঘণ্টায় ৪০ কি. মি. গতিতে ফিরে এল। বাসটির গড় গতিবেগ কত?
- ’ক’ এর ওজনের চেয়ে ‘খ’ এর ওজন ১১ কেজি কম। আবার ‘গ’ এর ওজনের চেয়ে ‘খ’ এর ওজন ৭ কেজি বেশি। এখন ‘ক’ এর ওজন যদি ৫৩ কেজি হয়, তাহলে ‘গ’ এর ওজন কত?
- The average age of a man and his son is 20. After 10 years, their age will be in the ratio 2:1. What was the age of the man and his son 5 years ago respectively?
- A straight fence is to be constructed from posts 6 inches wide and separated by lengths of chain 5 feet long. If a certain fence begins and ends with a post, which of the following could not be the length of the fence in feet? ( 12 inches = 1 foot)
- How many spokes are there in a wheel of a car. If any two spokes from an angle of 15?
- Instructions: DO NOT USE CALCULATOR. Figures are not drawn to scale. In a particular course, Arif appeared in 10 quizzes. The average of his best 9 quizzes is 10% more than the average of all the quizzes he attended. The total marks obtained in best 9 quizzes is what percent of the total marks obtained in 10 courses?
- একটি পরীক্ষায় ৫২% পরীক্ষার্থী ইংরেজিতে এবং ৪২% পরীক্ষার্থী গণিতে ফেল করল। যদি উভয় বিষয়ে ১৭% ফেল করে তবে কয়জন পরীক্ষার্থী উভয় বিষয়ে পাশ করে?
- A club had 3 boys and 5 girls. During a membership drive, the same number of boy and girls joined the club. How many members does the club have now , if the ratio of the boys to girls is 3:4?
- In the figure above AD = 4, AB = 3, AE=1 and CD=9. What is the area of triangle AEC?
- ৬০° কোষ করে অবস্থিত দুটি দর্পণের মাঝে ১টি বস্তু স্থাপন করিবে কয়টি প্রতিহিত সৃষ্টি হয়?
- 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?
- If a doctor gives you 3 pills and tells you take one pill every half hour, how long would it be before all the pills had been taken?
- If a, b and c are 3 consecutive integers in that order, which of the following has the lowest value?
- In the parallelogram, PO II BC and P is the midpoint of A B.if PR =16 cm and area of ABCD is 128 sq cm, what is thearea of the ARD in sq. cm?
- The HCF of two numbers is 23 and the other two factors of their LCM are 13 and 14. The larger of the two number is
- Out of their annual net income, a couple spent 25 percent for food, 13.5 percent for entertainment, 20 percent for housing, 8 percent for car expenses, 15 percent for clothing, and saved the rest. What was the ratio of the amount saved to the amount spent for entertainment?
- 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 average of five distinct positive integers is 10, what is the difference between the largest and the least possible values of the greatest of the five integers?
- Today Jamal is twice as old as Sanwar and Sanwar is 4 years younger than Faruk. If all of them are alive four years from today, which of the following must be true? I. Jamal is twice as old as Sanwar II. Sanwar is 4 years younger than Faruk III. Jamal is older than Faruk
- Lima can do a job in 6 hours. If Sima works with her, the job will be completed in 2 hours. How many minutes would it take Sima to do the job alone?
- কোন সংখ্যাটি প্রশ্নবোধক স্থান দুটিতে বসবে?৯/?=?/৮১
- The length of each side of square A is increased by 100 percent to make square B. Again the length of each side of square B is increased by 50 percent to make square C. By what percent is the area of square C greater than the sum of the areas of square A and B?
- What is 10% of 20% of 30%?
- A and B together can complete a piece of work in 72 days, B and C together in 120 days and A and C together in 90 days. A, B and C together can complete the work in?
- A competitor runs 200 meters race in 24 seconds. His rate 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?
- What is the value of the quotient (6 x 10⁵)/(2 × 10⁻²)?
- Alam starts working on a job and works on work. Then babu joins Alam and together they complete the est of the work in 12 days . How long (in days) will it take Babu to complete the job if he works alone ?
- A woman was 30 years old when her daughter was born. Her age is now 6 years more than three times her daughter's age. How old will be the daughter in 10 years?
- Successive discount of 25% and 20% are equal to a sings discount of-
- A bus use one gallon of petrol to travel 15 km. After a tune- up ,the bus travels 15% farther on one gallon .How many gallon of petrol will it take or the bus to travel 150km after tune up?
- BG Mawla drove for h hours at a constant rate of r miles per hour. How many miles did he during the final 20 minutes for his drive?
- Of 48 applicants, 28 had at least 5 years experience, 30 had MBA degree, and 10 had less than 5 years experience and no MBA degree. How many of the applicants had at least 5 years' experience and an MBA degree?
- How many balls had A started with?
- x কে ৭ দিয়ে ভাগ করলে ভাগশেষ হয় ১। যদি y কে ৭ দিয়ে ভাগ করা হয় তাহলে ভাগশেষ হয় ২। তাহলে, x + y কে ৭ দিয়ে ভাগ করলে ভাগশেষ কত হবে?