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Question (11)

QN0019942

In a class of 36 students, 12 participate in music. What angle represents music?

(A) 100°
(B) 110°
(C) 120°
(D) 130°

Correct Answer: C

Explanation:

(12/36) × 360° = 120°.

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Question (12)

QN0019943

A pie chart sector is 144°. What fraction of the total does it represent?

(A) 2/5
(B) 1/3
(C) 3/5
(D) 4/5

Correct Answer: A

Explanation:

144°/360° = 2/5.

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Question (13)

QN0019944

A family spends ₹12,000 monthly. ₹3,000 is spent on transport. The transport sector angle is:

(A) 60°
(B) 75°
(C) 90°
(D) 120°

Correct Answer: C

Explanation:

(3000/12000) × 360° = 90°.

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Question (14)

QN0019945

What is the sum of all sector angles in a pie chart?

(A) 180°
(B) 270°
(C) 360°
(D) 540°

Correct Answer: C

Explanation:

All sectors together form a complete circle.

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Question (15)

QN0019946

A sector measures 30°. What percentage of the total does it represent?

(A) 8.33%
(B) 10%
(C) 12.5%
(D) 15%

Correct Answer: A

Explanation:

(30/360) × 100 = 8.33%.

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Question (16)

QN0019947

In a survey, 18 out of 72 students choose chess. The angle for chess is:

(A) 75°
(B) 80°
(C) 90°
(D) 100°

Correct Answer: C

Explanation:

(18/72) × 360° = 90°.

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Question (17)

QN0019948

A pie chart shows expenditure: Food = ₹4,500 out of ₹18,000. The corresponding angle is:

(A) 75°
(B) 90°
(C) 100°
(D) 120°

Correct Answer: B

Explanation:

(4500/18000) × 360° = 90°.

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Question (18)

QN0019949

A sector angle is 54°. What fraction of the total does it represent?

(A) 3/20
(B) 1/5
(C) 1/4
(D) 3/10

Correct Answer: A

Explanation:

54°/360° = 3/20.

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Question (19)

QN0019950

Which tool is essential for accurately drawing sector angles in a pie chart?

(A) Compass
(B) Divider
(C) Protractor
(D) Set square

Correct Answer: C

Explanation:

A protractor is used to measure and draw angles.

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Question (20)

QN0019951

Out of 80 students, 20 prefer science. The science sector angle is:

(A) 72°
(B) 90°
(C) 108°
(D) 120°

Correct Answer: B

Explanation:

(20/80) × 360° = 90°.

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Question (11)

In a class of 36 students, 12 participate in music. What angle represents music?

Explanation:

Link:

Question (12)

A pie chart sector is 144°. What fraction of the total does it represent?

Explanation:

Link:

Question (13)

A family spends ₹12,000 monthly. ₹3,000 is spent on transport. The transport sector angle is:

Explanation:

Link:

Question (14)

What is the sum of all sector angles in a pie chart?

Explanation:

Link:

Question (15)

A sector measures 30°. What percentage of the total does it represent?

Explanation:

Link:

Question (16)

In a survey, 18 out of 72 students choose chess. The angle for chess is:

Explanation:

Link:

Question (17)

A pie chart shows expenditure: Food = ₹4,500 out of ₹18,000. The corresponding angle is:

Explanation:

Link:

Question (18)

A sector angle is 54°. What fraction of the total does it represent?

Explanation:

Link:

Question (19)

Which tool is essential for accurately drawing sector angles in a pie chart?

Explanation:

Link:

Question (20)

Out of 80 students, 20 prefer science. The science sector angle is:

Explanation:

Link:

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