alleryहें . घनाची धार अर्दी केल्यार ताचो खंड मूळ खंडाच्या कितल्या पटींनी उणो जाता?
A1/3
B1/4
C1/8
D1/2
Answer & Solution
Correct answer: C. 1/8
हें .
1 हें नांव.
घनाचें आयतन = (धार)^3.
2 हें नांव.
धार अर्दी केल्यार खंड = (धार/2)^3 = (धार)^3 / 8 मेळटा.
3 हें नांव.
म्हणजे नवो खंड मूळ खंडांतलो 1/8 आसा.
_स्रोत: आरआरबी गट D सीईएन-02/2018 पीवायक्यू, Q.12._
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