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GATE | GATE-CS-2004 | Question 74
An examination paper has 150 multiple-choice questions of one mark each, with each question having four choices. Each incorrect answer fetches -0.25 mark. Suppose 1000 students choose all their answers randomly with uniform probability. The sum total of the expected marks obtained by all these students is:
(A)
0
(B)
2550
(C)
7525
(D)
9375
Answer
Please comment below if you find anything wrong in the above post
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