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प्रश्न
12 cakes of soap together weigh 5 kg and 604 gm. Find the weight of
(i) One cake in both kg and gramme
(ii) 5 cakes in kg.
उत्तर
Weight of 12 cakes of soap = 5 kg and
604 gm = 5 kg and `604/1000` kg
= 5.604 kg.
(i) Weight of 12 cakes = 5.604 kg
∴ Weight of 1 cake = `5.604/12`
= 0.467 kg
(ii) Weight of one cake = 0.467 kg
Weight of five cakes = 0.467 × 5
= 2.335 kg.
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83 note-books are sold at Rs. 15.25 each. Find the total money (in rupees) obtained by selling these note-books.
Complete the following table:
| Item | Cost per kg | Quantity | Amount | |
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