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Question (11)

QN0030758

A graph shows the number of trees planted in four villages. The tallest bar represents

(A) the village with the least trees planted
(B) the village with the greatest number of trees planted
(C) the average number of trees planted
(D) the total number of villages

Correct Answer: B

Explanation:

The tallest bar represents the highest value.

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Question (12)

QN0030759

A graph has the scale 1 division = 25 kg. A bar reaches 8 divisions. What is the quantity represented?

(A) 175 kg
(B) 180 kg
(C) 200 kg
(D) 225 kg

Correct Answer: C

Explanation:

Quantity = 8 × 25 = 200 kg.

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Question (13)

QN0030760

Why should the bars in a bar graph have equal width?

(A) To make comparisons fair and clear
(B) To reduce the number of categories
(C) To increase the height of bars
(D) To avoid using a scale

Correct Answer: A

Explanation:

Equal-width bars ensure fair visual comparison.

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Question (14)

QN0030761

Which of the following is an important first step while interpreting a graph?

(A) Calculate the mean immediately
(B) Observe the title, labels and scale carefully
(C) Count the colours used
(D) Ignore the axes

Correct Answer: B

Explanation:

Reading the title, labels and scale helps interpret the graph correctly.

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Question (15)

QN0030762

A bar graph uses the scale 1 unit = ₹50. A bar is 9 units high. What amount does it represent?

(A) ₹350
(B) ₹400
(C) ₹450
(D) ₹500

Correct Answer: C

Explanation:

Amount = 9 × 50 = ₹450.

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Question (16)

QN0030763

A double bar graph compares

(A) only one set of data
(B) two related sets of data across the same categories
(C) three unrelated sets of data
(D) only percentages

Correct Answer: B

Explanation:

A double bar graph compares two related data sets across the same categories.

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Question (17)

QN0030764

A double bar graph shows the number of books read by Class VII A and VII B in five months. In March, the heights of the two bars are 40 and 55. By how many books did Class VII B exceed Class VII A?

(A) 10
(B) 15
(C) 20
(D) 25

Correct Answer: B

Explanation:

Difference = 55 − 40 = 15 books.

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Question (18)

QN0030765

A graph uses the scale 1 division = 15 litres. A bar reaches 12 divisions. What quantity does it represent?

(A) 150 litres
(B) 165 litres
(C) 180 litres
(D) 195 litres

Correct Answer: C

Explanation:

Quantity = 12 × 15 = 180 litres.

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Question (19)

QN0030766

Which of the following should always be mentioned on a bar graph?

(A) Only colours
(B) Title and labels
(C) Number of pages
(D) Date of drawing only

Correct Answer: B

Explanation:

A title and properly labelled axes make the graph easy to understand.

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Question (20)

QN0030767

In a double bar graph, one bar is 9 units high and the other is 6 units high. If each unit represents 10 kg, what is the difference between the two quantities?

(A) 20 kg
(B) 25 kg
(C) 30 kg
(D) 35 kg

Correct Answer: C

Explanation:

Difference = (9 − 6) × 10 = 30 kg.

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Question (11)

A graph shows the number of trees planted in four villages. The tallest bar represents

Explanation:

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Question (12)

A graph has the scale 1 division = 25 kg. A bar reaches 8 divisions. What is the quantity represented?

Explanation:

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Question (13)

Why should the bars in a bar graph have equal width?

Explanation:

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Question (14)

Which of the following is an important first step while interpreting a graph?

Explanation:

Link:

Question (15)

A bar graph uses the scale 1 unit = ₹50. A bar is 9 units high. What amount does it represent?

Explanation:

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Question (16)

A double bar graph compares

Explanation:

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Question (17)

A double bar graph shows the number of books read by Class VII A and VII B in five months. In March, the heights of the two bars are 40 and 55. By how many books did Class VII B exceed Class VII A?

Explanation:

Link:

Question (18)

A graph uses the scale 1 division = 15 litres. A bar reaches 12 divisions. What quantity does it represent?

Explanation:

Link:

Question (19)

Which of the following should always be mentioned on a bar graph?

Explanation:

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Question (20)

In a double bar graph, one bar is 9 units high and the other is 6 units high. If each unit represents 10 kg, what is the difference between the two quantities?

Explanation:

Link:

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