# Cost of 5 kg of wheat is ₹ 91.50.

(a) What will be the cost of 8 kg of wheat?

(b) What quantity of wheat can be purchased in ₹183?

**Solution:**

(a) According to the given problem,

Let's use the concept of the unitary method.

The cost of 5 kg of wheat = ₹ 91.50.

Now, the cost of 1 kg of wheat will be 91.50 / 5 = ₹ 18.3

Therefore, the cost of 8 kg of wheat is 18.3 × 8

= ₹ 146.40

(b) Let us calculate the quantity of wheat purchased in ₹183

Quantity of wheat purchased in ₹ 91.50 = 5 kg

Hence, wheat purchased in ₹ 1 = 5 / 91.50 kg

Therefore, wheat purchased in ₹ 183 = (5 / 91.50) × 183

= 10 kg

Thus, we can say that the cost of 8 kg of wheat is ₹ 146.40, and the quantity of wheat purchased in ₹ 183 = 10 kg.

NCERT Solutions for Class 6 Maths Chapter 12 Exercise 12.3 Question 4

## Cost of 5 kg of wheat is ₹ 91.50. (a) What will be the cost of 8 kg of wheat? (b) What quantity of wheat can be purchased in ₹ 183?

**Summary:**

If the cost of 5 kg of wheat is ₹ 91.50, a) the cost of 8 kg of wheat is ₹ 146.40, b) the quantity of wheat purchased in ₹ 183 is10 kg.

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