For any two numbers m, n; (m+n) : (m-n): mn=7 :1 : 60. Find the value of 1/m : 1/n
A. 4 : 3
B. 8 : 7
C. 3 :4
D. 7 : 8
Janata Bank Ltdসাধারণ গণিতবীজগণিতীয় রাশিভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগ (Topic Practice)Janata Bank Ltd - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
C.
3 :4
Explanation:
Related Questions (Any University/Year)
- ১ ডজন কলার দাম ৩০ টাকা হলে, দুই হালি তিনটি কলার দাম কত টাকা?
- কোনটি সবচেয়ে ছোট?
- What is 30% of 11/45 of 150 ?
- ২৫ ফুট লম্বা একটি বাঁশকে এমনভাবে কাটা হলো যেন ছোট অংশটি বড় অংশের ১৪ হয়। ছোট অংশটির দৈর্ঘ্য কত ফুট?
- লঞ্চ ও স্রোতের গতিবেগে যথাক্রমে ঘণ্টায় ১৮ কি.মি. ও ৬ ক.মি.। নদীপথে ৪৮ কি.মি. অতিক্রম করে পুনরায় ফিরে আসিতে কত সময় লাগবে?
- কোন সংখ্যার ৪৭ অংশ ৮০ এর সমান?
- 2x+2y+x2-y2x+y=?
- If 10 ships require 10 tanks of oil in 10 days. How long is 1 tank of oil enough for a ship?
- A B C subscribe TK. 50,000 for a business .A subscribes TK. 4000 more than B and B TK, 5000 more than C Out of a total Profit of TK. 35,000. A receives
- Murad bought equal number of 20-paisa and 30 paisa stamps . If the total cost of the stamps was Tk. 10 , what was the total number of stamps that Murad bought?
- 348 is what part of 112
- Four staff members at a certain company worked on a project. The amounts of time that the furn staff members worked on the project were in the ratio 3 to 4 to 5 to 6 . If one of the four staff members worked on the project for 60 hours, which of the following CANNOT be the total number of hours that the four staff members worked on the project?
- If \(x/y=2\), then \((x-y)/x=?\)
- If 9 is 3/4 th of x, what number is 5/6 th of x?
- A warehouse has 20 packers.Each packer can load 1/8 of a box in 9 minutes. How many boxes can be loaded in 112 hours by all 20 packers ?
- A salesman receive daily wage of Tk. 250 and earns a commission of 15% on all sales he makes. How much take worth of sales does he need to make in order to bring his total daily income of Tk. 1,000?
- A cement mixture is composed of 3 elements. By weight, 1/3 of the mizture is sand, 3/5 is water and the remaining 12 pounds of the mixture is gravel. What is the weight of the entire mixture in pounds?
- A certain sum of money consists of 30 coins, some of which are 10 paisa coins and the rest are 5 paisa coins . If the total value of the coins is TK. 2 , what is the number of 10 paisa coins?
- ৫৭×৭৫ ÷ ১ - ০.০১ = কত?
- ৩০% এর অনুপাত কত ?