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The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Sum of numbers is:

Options

A.40
B.50
C.20
D.30

Correct Answer

C. 20

Exam
Bihar CGL
Language
English
Subject
Reasoning & Mental Ability
Topic
Logical Reasoning
Year
2022
Difficulty
1/5
Section
Comprehension, Logical Reasoning & Mental Ability

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