Question : Directions: The following bar chart represents the number of first year B.Com. students of St. Xavier's College using different company's smartphones.
What is the percentage of boys who are using smartphones of Samsung?
Option 1: 16.52%
Option 2: 17.52%
Option 3: 18.52%
Option 4: 15.52%
Correct Answer: 18.52%
Solution : As per the given graph, The number of boys using smartphones $=100+160+240+40=540$ The number of boys using the Samsung smartphones $=100$ The required percentage $=\frac{100}{540}×100=18.52$% Hence, the correct answer is 18.52%.
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The difference between the total number of students using smartphones of Samsung and the total number of students using smartphones of Sony is:
Option 1: 20
Option 2: 60
Option 3: 80
Option 4: 40
Question : Directions: The following bar chart represents the number of first-year B.Com. students of St. Xavier's College using different company's smartphones. The ratio of the number of boys to the number of girls using the smartphones of Samsung and Sony together is:
Option 1: 12 : 13
Option 2: 13 : 12
Option 3: 14 : 11
Option 4: 11 : 14
Question : Directions: The following bar chart represents the number of first-year B.Com. students of St. Xavier's College using different company's smartphones.
What percentage of girls are using the smartphones of Nokia?
Option 1: 33.58%
Option 2: 32.58%
Option 3: 30.58%
Option 4: 31.58%
Question : Directions: The bar graph given below represents the number of boys in a school using three apps for three months.
The number of boys using WhatsApp in March is what percent of the number of boys using Facebook in February?
Option 1: 126.47
Option 2: 136
Option 3: 128
Option 4: 131.3
What is the percentage decrease in the number of boys using Facebook from January to February?
Option 1: 26.66%
Option 2: 20%
Option 3: 21.33%
Option 4: 16.66%
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