Meena and her mother visit a shop. The shopkeeper tells them that the price of 5 identical dresses is ₹4,955. Meena buys 9 such dresses. Find the total cost of the 9 dresses.
₹8,919
The cost of one dress is \(\frac{4955}{5} = 991\) rupees.
Since the dresses are identical, the cost is directly proportional to the number of dresses.
The cost of 9 dresses is \(9 \times 991 = 8919\) rupees.
Hence, the total cost of the 9 dresses is ₹8,919.
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Important Questions from Direct or Indirect Proportion
- If x is inversely proportional to y, and y = 30 when x = 28, find the value of x, when y = 20.
- In an army camp, there were provisions for 425 men for 30 days. However, 375 men attended the camp. How long did the provisions last?
- There are 100 students in a hostel. Food provisions for them will last for 20 days. How long will the same provisions last if 25 more students join the hostel?
If 'a' is inversely proportional to 'b' and 'b' inversely proportional to 'c', then
If an amount of Rs. 990 is divided among A, B and C in the ratio of 3 : 4 : 2, then B will get:
