Subject
Bank Exam
Topic
Rupali Bank 2013 (Sr. Officer)
The sum of two numbers is 25 and their difference is Find their product.
The sum of two numbers is 25 and their difference is Find their product.
ক)
104খ)
114গ)
315ঘ)
325Explanation
Let the numbers be x and y. Then, x + y = 25 and x - y = 13 4xy = (x + y)2 - (x- y)2 = (25)2 - (13)2 xy = 84Related questions
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