Question 9 of 21intermediate🔧 ApplyNumerical3 marks

Shireen has ₹ 150 in her piggy bank. She puts ₹100 every week in her piggy bank. How much money does she have at the end of four weeks?

Correct Answer

Given: Initial amount in piggy bank = ₹150 Amount added each week = ₹100 Number of weeks = 4

Calculation: Total added in 4 weeks = 100×4100 \times 4 = ₹400 Total amount = 150 + 400 = ₹550

Answer: Shireen has ₹550 at the end of four weeks.

Exercise: Let us Do (Page 13) | Q: 3 | (Chapter: Page 13)
For More Understanding

Explanation

Initial amount = ₹150. She adds ₹100 each week for 4 weeks. Total added = ₹100×4100 \times 4 = ₹400. Final amount = ₹150 + ₹400 = ₹550.

Solution Steps

  1. Step 1: Initial amount in piggy bank = ₹150

  2. Step 2: Amount added each week = ₹100

  3. Step 3: Number of weeks = 4

  4. Step 4: Total added in 4 weeks = 100×4100 \times 4 = ₹400

  5. Step 5: Total amount = 150 + 400 = ₹550

  6. Step 6: Answer: ₹550

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