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Problems on Numbers Mcqs
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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 ...
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Q. The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is :___________?
a.
20
b.
30
c.
40
d.
None of these
ANSWER: 20
Answer & Explanation
No explanation is available for this question!
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