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16. | A pupil's marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half (1/2). The number of pupils in the class is? | |
A. | 73 | |
B. | 40 | |
C. | 20 | |
D. | 10 | |
Answer: Option B | |||||||||||||||||
Explanation: | |||||||||||||||||
Let there be x pupils in the class.
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