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निम्नलिखित प्रश्न में दिए गए विकल्पों में से विषम संख्या समूह को चुनिए :
A. `(4,16,48)`
B. `(6,36,90)`
C. `(8,64, 160)`
D. `(12, 144, 360)`

1 Answer

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Correct Answer - A
संख्या-समूह `(4 , 16 , 48 )` को छोड़कर, अन्य सभी संख्या-समूहों में दूसरी संख्या, पहली संख्या की पूर्ण वर्ग है जबकि तीसरी संख्या, दुसरी संख्या की ढाई गुनी है।
`(6, 36, 90)`
`rArr 6xx6=36` तथा `36xx2.5=90`
`(8,64,160)`
`rArr 8xx8=64` तथा `64xx2.5=160`
`(12, 144, 360)`
`rArr 12xx12=144` तथा `144xx2.5=360`
परन्तु,
`(4, 16, 48)`
`rArr 4xx4=16 ` तथा `16xx3=48`

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