7. 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:
Useful Links From This Website |
Notifications, Admit Cards, Results, Universities |
Books, Exam Pattern, Mock Tests, Study Materials, Syllabus, Test Papers |
A. 40
B. 73
C. 10
D. 20