2 years ago in Problems on Numbers

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
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bOnNy 616
bOnNy 616 - 1 year ago

bOnNy 616 from Pathanamthitta, India is saying None of these is correct answer

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