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%
Correct Answer: 31.58%
Solution :
As per the given graph,
The number of girls using smartphones $=180+60+120+20=380$
The number of girls using the smartphones of Nokia $=120$
The required percentage $=\frac{120}{380}×100=31.58$%
Hence, the correct answer is 31.58%.
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