यदि 5 पुस्तकों का वजन 2.5किग्रा हो तो 30 किग्रा कितनी पुस्तकों का वजन होगा?
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Step-by-step explanation:
do 2.5/5 by doing that you can find the weight of one book that is 0.5
so now the weight of 30 books is
30×0.5 =15
30 किग्रा कितनी पुस्तकों का वजन है 15
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