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Question
Which of the following statements cannot be true?
Options:
A .  Only two students secured the same grade in three consecutive tests.
B .  Exactly five students did not get D grade in any of the tests.
C .  The average score of the fifteen students in Test 2 is equal to 2.
D .  The average score of the fifteen students in Test 3 is equal to 5.
Answer: Option B
:
B
Shakhar scored A+ in tests 3, 4 and 5 and Pankaj scored D grade in tests 1, 2 and 3. Ravi may or may not have scored the same grades in three consecutive tests. Thus option [1] may or may not be true.
Ravi, Mohit, Sagar, Shakhar and Vinod did not score D grade in any of the tests.
Thus, option [2] is also true.

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