Question
How many students definitely scored A+ in Test 5?
Answer: Option B
:
B
We can calculate the total points scored by each candidate in all the tests together using the formula,
Total points = GPA * 5.
Ravi's score in tests 2, 3 and 5 = 23 - 1 - 7 = 15
From the conditions given in the data, Ravi scored 1, 4, 10 or 1, 7, 7 or 4, 4 7 in tests 2, 3 and 5 respectively.
Calculating, in a similar manner, we get that Pankaj scored 0, 1, 10 or 0, 4, 7 in tests 3, 4 and 5 respectively.
Also, Akshay scored 1, 10, 10 or 4, 7, 10 in tests 2, 3 and 5 respectively.
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:
B
We can calculate the total points scored by each candidate in all the tests together using the formula,
Total points = GPA * 5.
Ravi's score in tests 2, 3 and 5 = 23 - 1 - 7 = 15
From the conditions given in the data, Ravi scored 1, 4, 10 or 1, 7, 7 or 4, 4 7 in tests 2, 3 and 5 respectively.
Calculating, in a similar manner, we get that Pankaj scored 0, 1, 10 or 0, 4, 7 in tests 3, 4 and 5 respectively.
Also, Akshay scored 1, 10, 10 or 4, 7, 10 in tests 2, 3 and 5 respectively.
Continuing this way, we get the table below.
NameTest 1Test 2Test 3Test 4Test 5Total PointsManish01471022Alok0047718Vijay001101021Ravi11447771023Raj01171019Mohit11771026Sagar147101032Rakesh01771025Shekhar4710101041Pankaj0001471011Akshay014710101031Paresh04471071028Salman017101028Vinod447101035Neeraj01141016
Out of 15 candidates, except Alok, Ravi and Pankaj, all the others scored 10 points or A+ grade in test 5. Hence , [b].
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