Exercise 8D
Question 1
1. 18 erasers cost $₹ 72$. What is the cost of 1 eraser?
2. If $7 \mathrm{~kg}$ of tea costs $₹ 350$, find the cost of $12 \mathrm{~kg}$ of tea.
7. In 25 minutes a train travels $20 \mathrm{~km}$. How far will it travel in 15 minutes?
4. 13 equal bags of sugar weigh $65 \mathrm{~kg}$, how many bags are required for $10 \mathrm{~kg}$ of sugar?
12 rubber balls cost $₹ 15$, how many can I buy for $₹ 20$ ?
6. 14 buses can carry 630 people. How many persons can travel by 8 buses?
7. A boy can run 49 metres in $6.3$ seconds. How far can he run in $4.5$ seconds?
8. (i) Which is a better buy-a dozen bananas for $₹ 30$ or a score of bananas for ₹ 40 ?
(ii) Which car has a better speed-the one covering $240 \mathrm{~km}$ in 5 hours or the one covering $180 \mathrm{~km}$ in 4 hours?
Multiple Choice Questions (MCQs)
Tick (✔) the correct option.
9. Eight gift wrapping sheets cost $₹ 128$. At the same rate, the cost of 12 sheets is
(a) $₹ 180$
(b) ₹ 152
(c) ₹ 192
(d) ₹ 204
10. 15 iron balls of same size weigh $10 \mathrm{~kg} 50 \mathrm{~g}$. How many of them will weigh $4 \mathrm{~kg} \mathrm{} 690 \mathrm{~g}$ ?
(a) 8
(b) 10
(c) 5
(d) 7
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