Question

Royal basmati rice is available in 25 kg and 15 kg packs. The 25 kg pack costs
Rs700. What will be the cost of the 15 kg pack?
​

Answer 1

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The Royal Basmati rice of 15 kg will cost Rs. 420.

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These types of sums are mostly solved by Unitary method.

In Unitary method we first find the value of 1 unit and then the value of the other units.

So, for this, we will first find the that how much rice will cost in 1 kg?

25 kg = Rs. 700

1 kg = $\frac{Rs. \ 700}{25}$

1 kg rice = Rs. 28

Now we know how much is 1 kg rice. So now we can easily find out the cost of 15 kg rice by multiplying it.

15 kg = Rs. 28 × 15

15 kg = Rs. 420

Hence, 15 kg of rice cost Rs. 420.

Answer 2

Answer:

₹420 is the right answer.

Step-by-step explanation:

The Royal Basmati rice of 15 kg will cost Rs. 420.

These types of sums are mostly solved by Unitary method.

In Unitary method we first find the value of 1 unit and then the value of the other units.

So, for this, we will first find the that how much rice will cost in 1 kg?

25 kg = Rs. 700

1 kg = \frac{Rs. \ 700}{25}

25

Rs. 700

1 kg rice = Rs. 28

Now we know how much is 1 kg rice. So now we can easily find out the cost of 15 kg rice by multiplying it.

15 kg = Rs. 28 × 15

15 kg = Rs. 420

Hence, 15 kg of rice cost Rs. 420.