Directions (1 - 4): The following pie- chart shows the study- time of different subject of a student in a day. Study the pie chart and answer the following questions.
The time spent to study history and chemistry is 4 hours 30 minutes, Then the student studies physics for:
A. 1 hours 30 min
B. 2.9 hour (approx.)
C. 2 hours
D. 3 hours
Answer: Option D
Solution(By Examveda Team)
$$\eqalign{ & \text{Time spend in H + C} \cr & = \left(15 + 15 \right)\% \cr & = 30\% \cr & \text{Time spend in P = 20%} \cr & \because 30\% = 4\frac{1}{2} \text{H} = \frac{9}{2}\text{H} \cr & 1\% = \frac{9}{2} \times 30\text{H} \cr & \text{So, } 20\% = \frac{9}{2} \times \frac{20}{30}\text{H} = 3\text{ Hours} \cr & \text{So } 20\% = \frac{3}{20} \times 20 = 3\text{ Hours} \cr} $$This Question Belongs to Data Interpretation >> Pie Chart
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