Subject
Bank Exam
Topic
Bangladesh Bank AD 2012
The product of two numbers x and y is twice the sum of the numbers. What is the sum of the reciprocals of x and y?
The product of two numbers x and y is twice the sum of the numbers. What is the sum of the reciprocals of x and y?
ক)
2/3খ)
3/4গ)
3/7ঘ)
1/2Explanation
xy=2(x+y) (x+y)/xy=2 1/x+1/y=1/2Related questions
The ratio of the number of red balls, to yellow balls, to green balls in an urn is 2 : 3 : What is the probability that a ball chosen at random from the urn is a red ball?Select the alternative that best replaces the underlined portion of the sentence: She is one of the delegateswho was chosen toattend the convention.Analogy: ENTREPRENEUR: LABORERIf I ____ going to enter the competition, I would have done so by now.“আপদ” এর বিপরীত শব্দ কোনটি?“চাঁদ”শব্দের সমার্থক শব্দ কোনটি?কোন বাক্যটি শুদ্ধ?“বায়ু” শব্দের সমার্থক শব্দ কোনটি?