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Question (21)

QN0011573

A recycling drive collected 30 plastic containers. If 12 are reused directly, how many remain for recycling?

(A) 16
(B) 17
(C) 18
(D) 19

Correct Answer: C

Explanation:

30 − 12 = 18 containers.

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Question (22)

QN0011574

Which of the following is an example of reusing rather than recycling?

(A) Making paper from old newspapers
(B) Using a glass jar to store spices
(C) Melting metal cans
(D) Converting plastic into fibres

Correct Answer: B

Explanation:

Reusing means using an item again without processing it.

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Question (23)

QN0011575

If 5 students each bring 7 recyclable items, how many items are collected?

(A) 30
(B) 35
(C) 40
(D) 45

Correct Answer: B

Explanation:

5 × 7 = 35 items.

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Question (24)

QN0011576

Which material can be recycled many times without losing much quality?

(A) Glass
(B) Bread
(C) Leaves
(D) Soil

Correct Answer: A

Explanation:

Glass can be recycled repeatedly with little loss of quality.

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Question (25)

QN0011577

A school recycles 18 kg of paper and 12 kg of cardboard. What is the total mass recycled?

(A) 28 kg
(B) 29 kg
(C) 30 kg
(D) 31 kg

Correct Answer: C

Explanation:

18 + 12 = 30 kg.

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Question (26)

QN0011578

Which action supports recycling at home?

(A) Mixing all waste together
(B) Segregating waste into categories
(C) Throwing bottles into drains
(D) Burning paper daily

Correct Answer: B

Explanation:

Waste segregation helps recycling.

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Question (27)

QN0011579

If 36 aluminium cans are packed equally into 6 bags, how many cans go into each bag?

(A) 4
(B) 5
(C) 6
(D) 7

Correct Answer: C

Explanation:

36 ÷ 6 = 6 cans.

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Question (28)

QN0011580

Why does recycling help the environment?

(A) It reduces the amount of waste sent to landfills
(B) It increases pollution levels
(C) It creates more garbage
(D) It wastes resources

Correct Answer: A

Explanation:

Recycling reduces landfill waste.

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Question (29)

QN0011581

A recycling unit processes 9 bundles of paper with 8 sheets in each bundle. How many sheets are processed?

(A) 64
(B) 72
(C) 81
(D) 90

Correct Answer: B

Explanation:

9 × 8 = 72 sheets.

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Question (30)

QN0011582

Which item is most suitable for paper recycling?

(A) Old newspaper
(B) Metal spoon
(C) Plastic toy
(D) Glass marble

Correct Answer: A

Explanation:

Newspapers are commonly recycled into new paper products.

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Question (21)

A recycling drive collected 30 plastic containers. If 12 are reused directly, how many remain for recycling?

Explanation:

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Question (22)

Which of the following is an example of reusing rather than recycling?

Explanation:

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Question (23)

If 5 students each bring 7 recyclable items, how many items are collected?

Explanation:

Link:

Question (24)

Which material can be recycled many times without losing much quality?

Explanation:

Link:

Question (25)

A school recycles 18 kg of paper and 12 kg of cardboard. What is the total mass recycled?

Explanation:

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Question (26)

Which action supports recycling at home?

Explanation:

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Question (27)

If 36 aluminium cans are packed equally into 6 bags, how many cans go into each bag?

Explanation:

Link:

Question (28)

Why does recycling help the environment?

Explanation:

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Question (29)

A recycling unit processes 9 bundles of paper with 8 sheets in each bundle. How many sheets are processed?

Explanation:

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Question (30)

Which item is most suitable for paper recycling?

Explanation:

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