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Question (31)

QN0019962

In a pie chart, data values are first converted into:

(A) Lengths
(B) Areas
(C) Angles
(D) Volumes

Correct Answer: C

Explanation:

Data values are converted into central angles.

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Question (32)

QN0019963

A pie chart sector represents 40% of the total. Its angle is:

(A) 126°
(B) 132°
(C) 144°
(D) 150°

Correct Answer: C

Explanation:

40% of 360° = 144°.

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Question (33)

QN0019964

A survey shows 24 of 96 students prefer art. The angle for art is:

(A) 72°
(B) 84°
(C) 90°
(D) 96°

Correct Answer: C

Explanation:

(24/96) × 360° = 90°.

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Question (34)

QN0019965

Which of the following fractions corresponds to a 120° sector?

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

Correct Answer: B

Explanation:

120°/360° = 1/3.

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Question (35)

QN0019966

Why are pie charts useful in daily life?

(A) They show parts of a whole visually and clearly
(B) They solve equations automatically
(C) They measure distances
(D) They calculate areas directly

Correct Answer: A

Explanation:

Pie charts provide a visual representation of proportions.

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Question (36)

QN0019967

A category represents 12.5% of the total. The central angle is:

(A) 36°
(B) 45°
(C) 54°
(D) 72°

Correct Answer: B

Explanation:

12.5% of 360° = 45°.

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Question (37)

QN0019968

In a pie chart, a 150° sector represents what fraction of the whole?

(A) 5/12
(B) 2/5
(C) 1/3
(D) 3/8

Correct Answer: A

Explanation:

150°/360° = 5/12.

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Question (38)

QN0019969

Out of 60 employees, 15 work in sales. The sales sector angle is:

(A) 75°
(B) 80°
(C) 90°
(D) 100°

Correct Answer: C

Explanation:

(15/60) × 360° = 90°.

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Question (39)

QN0019970

A sector angle of 270° represents what percentage of the whole?

(A) 50%
(B) 60%
(C) 70%
(D) 75%

Correct Answer: D

Explanation:

(270/360) × 100 = 75%.

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Question (40)

QN0019971

When constructing a pie chart, after calculating angles, the next step is to:

(A) Draw the circle and mark the sectors using those angles
(B) Multiply all values by 360
(C) Convert angles into fractions again
(D) Find the mean of the data

Correct Answer: A

Explanation:

Draw the circle and use the calculated angles to create sectors.

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Question (31)

In a pie chart, data values are first converted into:

Explanation:

Link:

Question (32)

A pie chart sector represents 40% of the total. Its angle is:

Explanation:

Link:

Question (33)

A survey shows 24 of 96 students prefer art. The angle for art is:

Explanation:

Link:

Question (34)

Which of the following fractions corresponds to a 120° sector?

Explanation:

Link:

Question (35)

Why are pie charts useful in daily life?

Explanation:

Link:

Question (36)

A category represents 12.5% of the total. The central angle is:

Explanation:

Link:

Question (37)

In a pie chart, a 150° sector represents what fraction of the whole?

Explanation:

Link:

Question (38)

Out of 60 employees, 15 work in sales. The sales sector angle is:

Explanation:

Link:

Question (39)

A sector angle of 270° represents what percentage of the whole?

Explanation:

Link:

Question (40)

When constructing a pie chart, after calculating angles, the next step is to:

Explanation:

Link:

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