Question

218) If Rohan bought 2 1/2 kg of apples for Rs 325, then what is the costof 1kg of apples​

Answer 1

Answer:

Purchase price of2.5 kg of apples= Rs 325

then Cost of 1 kg of apples is 325/2.5

ie Rs 130

Answer 2

❒ Gɪᴠᴇɴ :

Rohan bought $\displaystyle2 \frac{1}{2}$ kg of apples for Rs 325.

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❒ Tᴏ Fɪɴᴅ :

What is the cost of 1kg of apples ?

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❒ Sᴏʟᴜᴛɪᴏɴ :

$\purple⟶ \displaystyle \bf \: 2 \frac{1}{2} = \frac{2 \times 2 + 1}{2}$

$\purple⟶ \displaystyle \bf \: \: \frac{4+ 1}{2}$

$\purple⟶ \: \: \displaystyle \bf \: \cancel\frac{5}{2} \: \: = 2.5$

Here,

$\pink⟶ \bf 2.5\: kg \:of \: apples = 325rs$

$\pink⟶ \bf \: 1kg \: = how \:much \: cost \: ?$

Cross Multiplication

$\red⟶ \: \: \displaystyle \bf\frac{325 \times 1}{2.5}$

$\red⟶ \displaystyle \: \bf \cancel \frac{325}{2.5} = 130$

∴ The cost of 1kg of Apples is Rs. 130

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