Question 45 of 48intermediate🔧 ApplyNumerical4 marks

One Rabdi cup costs ₹ 75. Preeti buys 5 cups of Rabdi. She has her mother's purse which has only ₹ 100 notes. How many ₹ 100 notes should she give the shopkeeper? How much will the shopkeeper then return to Preeti? What is the total cost of 5 cups of Rabdi?

Correct Answer

Given: Cost of 1 Rabdi cup = ₹ 75 Number of cups = 5 Preeti has only ₹ 100 notes

Calculation: Total cost = 5×755 \times 75 = ₹ 375

To cover ₹ 375: 3 notes = ₹ 300 (not enough) 4 notes = ₹ 400 (enough)

Change = ₹ 400 - ₹ 375 = ₹ 25

Answer: Total cost = ₹ 375 Preeti should give 4 notes of ₹ 100 Shopkeeper will return ₹ 25

Exercise: Puri Beach | Q: 2 | (Page Page 23)
For More Understanding

Explanation

The total cost is 5×755 \times 75 = ₹ 375. Since Preeti has only ₹ 100 notes, she needs to give enough to cover ₹ 375. Four ₹ 100 notes = ₹ 400. The shopkeeper returns ₹ 400 - ₹ 375 = ₹ 25.

Solution Steps

  1. Step 1: Cost of 5 cups = 5×755 \times 75 = ₹ 375

  2. Step 2: Preeti has ₹ 100 notes

  3. Step 3: 3 notes = ₹ 300 (not enough)

  4. Step 4: 4 notes = ₹ 400 (enough)

  5. Step 5: Change returned = 400 - 375 = ₹ 25

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