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Bar Graph

Bar Graph - Important Points


26.

Study the below Bar Graph-6 (with Table) and answer the questions:

Percentage of boys and girls in 6 colleges

College

Boys (%)

Girls (%)

1

54

46

2

58

42

3

64

36

4

72

28

5

49

51

6

51

49

 

How many more boys than girls are there in college 3?

A. 822

B. 802

C. 792

D. 812

Discuss Work Space

Answer: option d

Explanation:

Number of boys in college 3 = 1856

Number of girls in college 3 = 844

More number of boys = 1856 – 1044 = 812


27.

Study the Bar Graph-6 (with Table) and answer the question:

What is the average number of boys in college 1 and 2?

A. 2200

B. 2260

C. 2263

D. 2285

Discuss Work Space

Answer: option c

Explanation:

Boys in college 1 = 4300 x 0.54 = 2322
Boys in college 2 = 3800 x 0.58 = 2204
Average number of boys in college 1 and 2 = (2322 + 2204) / 2 = 2263


28.

Study the Bar Graph-6 (with Table) and answer the question:

What is the average number of girls in all the colleges?

A. 1485

B. 1487

C. 1483

D. 1492

Discuss Work Space

Answer: option a

Explanation:

Total number of girls in all the colleges = 8911 (0.46 × 4300 + 0.42 × 3800 + 0.36 × 2900 + 0.28 × 4750 + 0.51 × 3600 + 0.49 × 49)
Average number of girls = 8911 / 6 = 1485.16


29.

Study the Bar Graph-6 (with Table) and answer the question:

Which college has the minimum number of boys?

A. 2

B. 3

C. 5

D. 6

Discuss Work Space

Answer: option d

Explanation:

Number of boys in college 2 = 0.58 × 3800 = 2204
Number of boys in college 3 = 0.64 × 2900 = 1856
Number of boys in college 5 = 0.49 × 3600 = 1764
Number of boys in college 6 = 0.51 × 2300 = 1173


30.

Study the Bar Graph-6 (with Table) and answer the question:

What percentage of boys in college 4 are the boys in college 1?

A. 68.7%

B. 66.8%

C. 67.8%

D. 69%

Discuss Work Space

Answer: option c

Explanation:

Number of boys in college 1 = 2322
Number of boys in college 4 = 3420
Percentage of 2322 out of 3420 = 67.8%