Subject
Quantitative Aptitude
Topic
Number
The product of two numbers is 120 and the sum of their squares is The sum of the number is:
The product of two numbers is 120 and the sum of their squares is The sum of the number is:
ক)
20খ)
23গ)
169ঘ)
None of theseExplanation
Let the numbers be x and y. Then, xy = 120 and x2 + y2 = 289. So, (x + y)2 = x2 + y2 + 2xy = 289 + (2 x 120) = 529 So, x + y = √529 = 23.Related questions
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