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1 kg of rice costs Rs. 56.80. What is th...

1 kg of rice costs Rs. 56.80. What is the cost of 16.25 kg of rice?

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To find the cost of 16.25 kg of rice when 1 kg costs Rs. 56.80, we can follow these steps: ### Step 1: Understand the cost of 1 kg of rice The cost of 1 kg of rice is given as Rs. 56.80. ### Step 2: Set up the multiplication for 16.25 kg To find the total cost for 16.25 kg, we need to multiply the cost of 1 kg by the number of kilograms we want: \[ \text{Total Cost} = \text{Cost per kg} \times \text{Number of kg} \] \[ \text{Total Cost} = 56.80 \times 16.25 \] ### Step 3: Perform the multiplication To multiply 56.80 by 16.25, we can first ignore the decimal and multiply as if they were whole numbers: \[ 5680 \times 1625 \] ### Step 4: Calculate the multiplication Now, let's calculate: \[ 5680 \times 1625 = 9230000 \] ### Step 5: Adjust for the decimal places Since we initially ignored the decimal, we need to adjust our answer. The number 56.80 has 2 decimal places and 16.25 has 2 decimal places, making a total of 4 decimal places. Therefore, we need to divide our result by \(10^4\) (or 10000): \[ \text{Total Cost} = \frac{9230000}{10000} = 923.00 \] ### Final Answer Thus, the cost of 16.25 kg of rice is Rs. 923.00. ---
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RS AGGARWAL-DECIMALS-EXERCISE 3C
  1. Find the product: (i) 73.92xx10 (ii) 7.54xx10 (iii) 84.003xx10 (iv) 0....

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  2. Find the product: (i) 2.397xx100 (ii) 6.83xx100 (iii) 2.9xx100 (iv) 0....

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  3. Find the product: (i) 6.7314xx1000 (ii) 0.182xx1000 (iii) 0.076xx1000 ...

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  4. Find the product: (i) 5.4xx16 (ii) 3.65xx19 Q(iii) 0.854xx12 (iv) 36.7...

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  5. Find the product: (i) 7.6xx2.4 (ii) 3.45xx6.3 (iii) 0.54xx0.27 (iv) 0....

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  6. Find the product: (i) 13xx1.3xx0.13 (ii) 2.4xx1.5xx2.5 (iii) 0.8xx3.5...

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  7. Evaluate: (i) (1.0)^(2) (ii) (0.7)^(2) (iii) (0.04)^(2) (iv) (0.11)^(2...

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  8. Evaluate: (i) (0.3)^(2) (ii) (0.05)^(2) (iii) (1.5)^(2)

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  9. A bus can cover 62.5 km in one hour. How much distance can it cover in...

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  10. A tin of oil weighs 16.8 kg. What is the weight of 45 such tins?

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  11. A bag of wheat weighs 97.8 kg. How much wheat is contained in 500 such...

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  12. Find the weight of 16 bags of sugar, each weighing 48.450 kg.

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  13. A small bottle holds 0.845 kg of sauce. How much sauce will be there i...

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  14. A bottle holds 925 g of jam. How many kg of jam will be there in 25 su...

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  15. If one drum can hold 16.850 litres of oil, how many litres can 48 such...

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  16. 1 kg of rice costs Rs. 56.80. What is the cost of 16.25 kg of rice?

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  17. 1 metre of cloth costsRs.? 108.50. What is the cost of 18.5 metres of ...

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  18. A car can cover a distance of 8.6 km on one litre of petrol. How far c...

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  19. A taxi driver charges Rs. 9.80 per km. How much will he charge for a j...

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