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Question (21)

QN0014172

Which of the following is NOT mentioned as a source of water in the lesson?

(A) Well
(B) Borewell
(C) River
(D) Refrigerator

Correct Answer: D

Explanation:

A refrigerator is not a water source.

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Question (22)

QN0014173

A family receives 120 litres of water daily through a tap. How much water do they receive in 5 days?

(A) 500 litres
(B) 550 litres
(C) 600 litres
(D) 650 litres

Correct Answer: C

Explanation:

120 × 5 = 600 litres.

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Question (23)

QN0014174

Why are tanks often placed high above homes?

(A) To help distribute water through pipes
(B) To grow plants
(C) To store books
(D) To keep clothes

Correct Answer: A

Explanation:

Elevated tanks help water flow through pipes.

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Question (24)

QN0014175

A tank has 900 litres. Three houses receive 200 litres each. How much water remains?

(A) 200 litres
(B) 250 litres
(C) 300 litres
(D) 350 litres

Correct Answer: C

Explanation:

900 − 600 = 300 litres.

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Question (25)

QN0014176

Which source of water requires observing how water is drawn out?

(A) Well
(B) Blackboard
(C) Classroom
(D) Library

Correct Answer: A

Explanation:

Water is drawn out from a well.

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Question (26)

QN0014177

A pulley lifts 8 buckets from a well. Each bucket contains 15 litres. How much water is lifted?

(A) 100 litres
(B) 110 litres
(C) 120 litres
(D) 130 litres

Correct Answer: C

Explanation:

8 × 15 = 120 litres.

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Question (27)

QN0014178

Which source of water is usually located beneath the ground?

(A) Borewell
(B) Tank
(C) Pond bridge
(D) Rooftop

Correct Answer: A

Explanation:

Borewells access underground water.

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Question (28)

QN0014179

A tanker supplies water equally to 4 houses. If it carries 800 litres, how much does each house receive?

(A) 100 litres
(B) 150 litres
(C) 200 litres
(D) 250 litres

Correct Answer: C

Explanation:

800 ÷ 4 = 200 litres.

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Question (29)

QN0014180

What is the main purpose of asking elders about water sources?

(A) To learn how water reaches homes
(B) To learn songs
(C) To learn games
(D) To learn drawing

Correct Answer: A

Explanation:

Elders can explain water supply systems.

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Question (30)

QN0014181

If a village uses 90 litres of water each day from a well, how much is used in 7 days?

(A) 540 litres
(B) 600 litres
(C) 630 litres
(D) 700 litres

Correct Answer: C

Explanation:

90 × 7 = 630 litres.

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Question (21)

Which of the following is NOT mentioned as a source of water in the lesson?

Explanation:

Link:

Question (22)

A family receives 120 litres of water daily through a tap. How much water do they receive in 5 days?

Explanation:

Link:

Question (23)

Why are tanks often placed high above homes?

Explanation:

Link:

Question (24)

A tank has 900 litres. Three houses receive 200 litres each. How much water remains?

Explanation:

Link:

Question (25)

Which source of water requires observing how water is drawn out?

Explanation:

Link:

Question (26)

A pulley lifts 8 buckets from a well. Each bucket contains 15 litres. How much water is lifted?

Explanation:

Link:

Question (27)

Which source of water is usually located beneath the ground?

Explanation:

Link:

Question (28)

A tanker supplies water equally to 4 houses. If it carries 800 litres, how much does each house receive?

Explanation:

Link:

Question (29)

What is the main purpose of asking elders about water sources?

Explanation:

Link:

Question (30)

If a village uses 90 litres of water each day from a well, how much is used in 7 days?

Explanation:

Link:

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