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Question (21)

QN0011373

Which diya burns longer in the activity?

(A) is correct because the oil acts as fuel and helps the diya burn longer.
(B) Diya with wick only
(C) Both equally
(D) Neither

Correct Answer: A

Explanation:

Option (a) is correct because the oil acts as fuel and helps the diya burn longer.

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Question (22)

QN0011374

What acts as the fuel in the diya activity?

(A) Wick
(B) Flame
(C) is correct because oil provides energy for burning.
(D) Diya

Correct Answer: C

Explanation:

Option (c) is correct because oil provides energy for burning.

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Question (23)

QN0011375

Diya A contains no oil while Diya B contains oil. Which is more likely to keep burning?

(A) Diya A
(B) is correct because the oil supplies fuel to the flame.
(C) Both same
(D) Neither

Correct Answer: B

Explanation:

Option (b) is correct because the oil supplies fuel to the flame.

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Question (24)

QN0011376

If one diya contains 10 mL oil and another contains 20 mL oil, which is expected to burn longer?

(A) First diya
(B) is correct because more fuel generally burns for a longer time.
(C) Both equal
(D) Cannot be determined

Correct Answer: B

Explanation:

Option (b) is correct because more fuel generally burns for a longer time.

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Question (25)

QN0011377

A lamp uses 15 mL oil every hour. How much oil will it use in 2 hours?

(A) 15 mL
(B) 20 mL
(C) is correct because 15 × 2 = 30 mL.
(D) 45 mL

Correct Answer: C

Explanation:

Option (c) is correct because 15 × 2 = 30 mL.

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Question (26)

QN0011378

Three identical lamps use 10 mL oil each. How much total oil is needed?

(A) 10 mL
(B) 20 mL
(C) is correct because 10 + 10 + 10 = 30 mL.
(D) 40 mL

Correct Answer: C

Explanation:

Option (c) is correct because 10 + 10 + 10 = 30 mL.

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Question (27)

QN0011379

A vehicle uses 2 litres of fuel each day. How much fuel does it use in 5 days?

(A) 5 litres
(B) 7 litres
(C) is correct because 2 × 5 = 10 litres.
(D) 12 litres

Correct Answer: C

Explanation:

Option (c) is correct because 2 × 5 = 10 litres.

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Question (28)

QN0011380

A scooter uses 3 litres of petrol in one week. How much petrol will it use in two similar weeks?

(A) 3 litres
(B) 4 litres
(C) 5 litres
(D) is correct because 3 × 2 = 6 litres.

Correct Answer: D

Explanation:

Option (d) is correct because 3 × 2 = 6 litres.

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Question (29)

QN0011381

Four vehicles each require 8 litres of diesel. What is the total diesel needed?

(A) 16 litres
(B) 24 litres
(C) is correct because 8 × 4 = 32 litres.
(D) 40 litres

Correct Answer: C

Explanation:

Option (c) is correct because 8 × 4 = 32 litres.

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Question (30)

QN0011382

A cooking stove uses 4 units of gas daily. How many units are used in 3 days?

(A) 7
(B) 10
(C) is correct because 4 × 3 = 12 units.
(D) 14

Correct Answer: C

Explanation:

Option (c) is correct because 4 × 3 = 12 units.

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Question (21)

Which diya burns longer in the activity?

Explanation:

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Question (22)

What acts as the fuel in the diya activity?

Explanation:

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Question (23)

Diya A contains no oil while Diya B contains oil. Which is more likely to keep burning?

Explanation:

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Question (24)

If one diya contains 10 mL oil and another contains 20 mL oil, which is expected to burn longer?

Explanation:

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Question (25)

A lamp uses 15 mL oil every hour. How much oil will it use in 2 hours?

Explanation:

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Question (26)

Three identical lamps use 10 mL oil each. How much total oil is needed?

Explanation:

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Question (27)

A vehicle uses 2 litres of fuel each day. How much fuel does it use in 5 days?

Explanation:

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Question (28)

A scooter uses 3 litres of petrol in one week. How much petrol will it use in two similar weeks?

Explanation:

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Question (29)

Four vehicles each require 8 litres of diesel. What is the total diesel needed?

Explanation:

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Question (30)

A cooking stove uses 4 units of gas daily. How many units are used in 3 days?

Explanation:

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