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Question (31)

QN005903

A workshop uses 75 kg of wood weekly. How much wood is used in 4 weeks?

(A) 250 kg
(B) 275 kg
(C) 300 kg
(D) 325 kg

Correct Answer: C

Explanation:

75 × 4 = 300 kg.

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Question (32)

QN005904

Why are forests considered important resources?

(A) They provide habitat, oxygen and useful products
(B) They reduce biodiversity
(C) They stop rainfall permanently
(D) They replace all minerals

Correct Answer: A

Explanation:

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Question (33)

QN005905

A water tank stores 12,500 litres. If 4,500 litres are drawn out, how much water remains?

(A) 7000 litres
(B) 7500 litres
(C) 8000 litres
(D) 8500 litres

Correct Answer: C

Explanation:

12,500 − 4,500 = 8,000 litres.

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Question (34)

QN005906

Which of the following resources is most directly used for making paper?

(A) Trees
(B) Coal
(C) Petroleum
(D) Iron ore

Correct Answer: A

Explanation:

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Question (35)

QN005907

A village installs 15 solar lamps. If each lamp saves 12 units of electricity per month, how many units are saved monthly?

(A) 160 units
(B) 170 units
(C) 180 units
(D) 190 units

Correct Answer: C

Explanation:

15 × 12 = 180 units.

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Question (36)

QN005908

Which action helps conserve resources in daily life?

(A) Repairing and reusing items
(B) Throwing usable items away
(C) Wasting electricity
(D) Overusing water

Correct Answer: A

Explanation:

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Question (37)

QN005909

A factory receives 2,400 kg of raw material. If 650 kg is used, how much remains?

(A) 1650 kg
(B) 1700 kg
(C) 1750 kg
(D) 1800 kg

Correct Answer: C

Explanation:

2400 − 650 = 1750 kg.

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Question (38)

QN005910

Which observation best indicates that human beings themselves are resources?

(A) They use knowledge and skills to create useful products and services
(B) They are found in nature only
(C) They are non-living materials
(D) They are formed from rocks

Correct Answer: A

Explanation:

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Question (39)

QN005911

A cooperative stores 360 bags of grain. If 1/3 of the bags are distributed, how many bags remain?

(A) 220
(B) 230
(C) 240
(D) 250

Correct Answer: C

Explanation:

1/3 of 360 = 120; 360 − 120 = 240 bags.

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Question (40)

QN005912

Why is sustainable use of resources important?

(A) It balances present needs with future availability
(B) It increases wastage
(C) It reduces resource value
(D) It prevents development completely

Correct Answer: A

Explanation:

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Question (31)

A workshop uses 75 kg of wood weekly. How much wood is used in 4 weeks?

Explanation:

Link:

Question (32)

Why are forests considered important resources?

Explanation:

Link:

Question (33)

A water tank stores 12,500 litres. If 4,500 litres are drawn out, how much water remains?

Explanation:

Link:

Question (34)

Which of the following resources is most directly used for making paper?

Explanation:

Link:

Question (35)

A village installs 15 solar lamps. If each lamp saves 12 units of electricity per month, how many units are saved monthly?

Explanation:

Link:

Question (36)

Which action helps conserve resources in daily life?

Explanation:

Link:

Question (37)

A factory receives 2,400 kg of raw material. If 650 kg is used, how much remains?

Explanation:

Link:

Question (38)

Which observation best indicates that human beings themselves are resources?

Explanation:

Link:

Question (39)

A cooperative stores 360 bags of grain. If 1/3 of the bags are distributed, how many bags remain?

Explanation:

Link:

Question (40)

Why is sustainable use of resources important?

Explanation:

Link:

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