Subject
Bank Exam
Topic
UCBL Bank Ltd. - Management Trainee Officer - 2017
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)
1/8খ)
1/4গ)
1/2ঘ)
2ঙ)
4Explanation
প্রশ্নে বলা হচ্ছে যে, x এবং y দুটি সংখ্যা । সংখ্যা দুটির গুণফল তাদের সমষ্টির দ্বিগুণ । সংখ্যা দুটির বিপরীত সংখ্যার সমষ্টি কত ? যেহেতু, সংখ্যা দুটি যথাক্রমে x এবং y তাই প্রশ্নমতে, xy = 2(x+y) => 2(x+y) = xy (x + y) = xy/2 এখন x এবং y এর Reciprocal বা বিপরীত সংখ্যার সমষ্টি =Related questions
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