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The sum of the squares of three numbers ...

The sum of the squares of three numbers is 336 and the ratio of the first and the second as also of the second and third is 1 : 2. Then find the difference between the third and first number.
तीन संख्याओं के वर्गों का योग 336 है और पहले और दूसरे का अनुपात तथा दूसरे और तीसरे का अनुपात 1: 2 है। फिर तीसरे और पहले नंबर के बीच का अंतर ज्ञात करें।

A

10

B

14

C

12

D

16

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