Question:
Instructions: The following pie chart shows the hourly distribution in a day (in degrees) of all the major activities of a student. A day has 24 hours. The pie chart shows: Games 30°, Home work 45°, School 105°, Sleeping 120°, Others 60° (total 360°).
If he spends 1/3 of the time of home work in Mathematics, then the number of hours he spends on the rest of the subjects in home work is:
Instructions: The following pie chart shows the hourly distribution in a day (in degrees) of all the major activities of a student. A day has 24 hours. The pie chart shows: Games 30°, Home work 45°, School 105°, Sleeping 120°, Others 60° (total 360°).
If he spends 1/3 of the time of home work in Mathematics, then the number of hours he spends on the rest of the subjects in home work is:
If he spends 1/3 of the time of home work in Mathematics, then the number of hours he spends on the rest of the subjects in home work is:
Show Hint
If Mathematics takes 1/3 of the 3-hour home work time, the rest of the subjects take the other 2/3, i.e. 2 hours.
Updated On: Jul 15, 2026
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The Correct Option is B
Solution and Explanation
Step 1: Convert home work time to hours.
Home work \(=45°\times\dfrac{24}{360}=3\) hours.
Step 2: Find the time spent on Mathematics.
Time on Mathematics \(=\dfrac{1}{3}\times3=1\) hour.
Step 3: Find the time on the remaining subjects.
Remaining time \(=3-1=2\) hours.
Step 4: Final Answer.
He spends 2 hours on the rest of the subjects, so option B is correct.
Home work \(=45°\times\dfrac{24}{360}=3\) hours.
Step 2: Find the time spent on Mathematics.
Time on Mathematics \(=\dfrac{1}{3}\times3=1\) hour.
Step 3: Find the time on the remaining subjects.
Remaining time \(=3-1=2\) hours.
Step 4: Final Answer.
He spends 2 hours on the rest of the subjects, so option B is correct.
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