Let’s go through each question one by one. The key idea here is:
→ When price goes
down, people usually buy
more → Quantity Demanded (Qd) goes
UP.
→ When price goes
up, people usually buy
less → Quantity Demanded (Qd) goes
DOWN.
This is called the “Law of Demand” — simple rule, easy to remember!
---
1. The retail price for mango gradually decreased up ¼ of its previous market price.
- Price went DOWN → People will want to buy MORE mangoes.
- So Qd goes UP.
✔ Answer: UP
Explanation: Lower price means more people can afford it or want to buy it, so demand increases.
---
2. The retail price for red onions has increased by ¼ of its previous market price.
- Price went UP → People will buy LESS because it’s more expensive.
- So Qd goes DOWN.
✔ Answer: DOWN
Explanation: Higher price makes people think twice before buying, so they buy less.
---
3. The price of a pair of branded rubber shoes is marked down to 50% of its original price.
- That’s HALF the price! Big discount → More people will want to buy them.
- So Qd goes UP.
✔ Answer: UP
Explanation: A big sale means cheaper shoes, so more customers will rush to buy them.
---
4. The market price of sweetened peanut butter has doubled compared to its retail price in the previous months.
- Doubled = much more expensive → People might switch to other brands or buy less.
- So Qd goes DOWN.
✔ Answer: DOWN
Explanation: When something costs twice as much, fewer people will want to buy it at that price.
---
5. The cost of a children’s stationery set is marked up after the back-to-school sale.
- Marked up = price went UP → After the sale ends, things get pricier again.
- So Qd goes DOWN.
✔ Answer: DOWN
Explanation: Once the sale is over and prices rise, parents may wait or buy only what they really need.
---
Final Answer:
1. UP
2. DOWN
3. UP
4. DOWN
5. DOWN
Parent Tip: Review the logic above to help your child master the concept of worksheet demand and supply.
