Question 8 of 47intermediate🔧 ApplyNumerical4 marks

Mala went to a book exhibition and bought 18 books. The shop was selling 3 books for ₹150. After buying the books, she still had ₹20 left. How much money did Mala have at the beginning?

Correct Answer

Step 1: Find number of sets Number of sets = 18 ÷ 3 = 6 sets

Step 2: Calculate cost Cost = 6 × ₹150 = ₹900

Step 3: Add remaining money Total money = ₹900 + ₹20 = ₹920

Answer: Mala had ₹920 at the beginning.

Exercise: Let Us Think (Section 3) | Q: 1 | (Chapter: Page 22)
For More Understanding

Explanation

First find how many sets of 3 books are in 18 books, then multiply by the price per set, and add the remaining money.

Solution Steps

  1. Step 1: Find number of sets: 18 ÷ 3 = 6 sets

  2. Step 2: Calculate cost: 6×1506 \times 150 = 900

  3. Step 3: Add remaining money: 900 + 20 = 920

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