Ronat bought 21-2 kg of mangoes at the rate of - 60 per kg- 11-4 kg of lychees at the rate of - 80 per kg- and 23-4 kg of watermelon at the rate of - 40 per kg- How much did Ronat spend in total-

Let's calculate the amount he paid for each item. Ronat got 21/2 or nbsp;2×2+1/2 or nbsp;5/2 kg of mangoes at the rate of ₹ 60 per kg. So, he spent nbsp ...

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Byju's Answer

Standard VII

Mathematics

Place Value of Decimals

Ronat bought ...

Question

Ronat bought $2 \frac{1}{2}$ kg of mangoes at the rate of ₹ 60 per kg, $1 \frac{1}{4}$ kg of lychees at the rate of ₹ 80 per kg, and $2 \frac{3}{4}$ kg of watermelon at the rate of ₹ 40 per kg. How much did Ronat spend in total?

₹ 300

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₹ 320

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₹ 350

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₹ 360

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Solution

The correct option is D ₹ 360
Let's calculate the amount he paid for each item.
Ronat got $2 \frac{1}{2} o r \frac{2 \times 2 + 1}{2} o r \frac{5}{2}$ kg of mangoes at the rate of ₹ 60 per kg.
So, he spent $₹ 60 \times \frac{5}{2} = ₹ 150$ for the mangoes

Next, he got $1 \frac{1}{4} o r \frac{5}{4}$ kg of lychees at the rate of ₹ 80 per kg.
So, he spent $₹ 80 \times \frac{5}{4} = ₹ 100$ for the lychees.

And last, he got $2 \frac{3}{4} o r \frac{11}{4}$ kg of watermelon at the rate of ₹ 40 per kg.
So, he spent $₹ 40 \times \frac{11}{4} = ₹ 110$ for the watermelon.
So, the total amount Ronat spent is
₹ 150 + ₹ 100 + ₹ 110 = ₹ 360

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Ronat bought 212 kg of mangoes at the rate of ₹ 60 per kg, 114 kg of lychees at the rate of ₹ 80 per kg, and 234 kg of watermelon at the rate of ₹ 40 per kg. How much did Ronat spend in total?

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