A glass when full of milk weighs one kg.When half full,it weighs 3/4 kg.What is the weight (in kg) of the empty glass?
Solution
Correct Answer: Option D
গ্লাস +সম্পূর্ণ অংশ দুধ =1 kg ...(i)
গ্লাস +1/2 " " " =3/4 kg .....(ii)
(ii)×2
2× গ্লাস +1 (সম্পূর্ণ) অংশ দুধ =3/2
অতএব , (iii)-(i)
গ্লাস =3/2 -1
বা, গ্লাস =1/2 =0.50 kg
গ্লাস +1/2 " " " =3/4 kg .....(ii)
(ii)×2
2× গ্লাস +1 (সম্পূর্ণ) অংশ দুধ =3/2
অতএব , (iii)-(i)
গ্লাস =3/2 -1
বা, গ্লাস =1/2 =0.50 kg
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