NIMCET 2023 Reasoning PYQ — In the half – yearly exam only 60% of the students were pas… | Mathem Solvex | Mathem Solvex
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NIMCET 2023 — Reasoning PYQ
NIMCET | Reasoning | 2023
In the half – yearly exam only 60% of the students were passed. Out of these (passed in half- yearly) only 70% students are passed in annual exam, out of remaining students (who fail in half- yearly exam) 80% passed in annual exam. What percent of the students passed the annual exam?
Choose the correct answer:
A.
72%
B.
76%
C.
65%
D.
74%
(Correct Answer)
Correct Answer:
74%
Explanation
1. The percentage of students who passed the half-yearly exam is 60%. 2. The percentage of students who failed the half-yearly exam is calculated as 100%−60%=40%. 3. The percentage of students who passed the annual exam from those who passed the half-yearly exam is 70% of 60%, which is calculated as 10070×60%=42%. 4. The percentage of students who passed the annual exam from those who failed the half-yearly exam is 80% of 40%, which is calculated as 10080×40%=32%. 5. The total percentage of students who passed the annual exam is the sum of the percentages from steps 3 and 4, which is 42%+32%=74%. [1] Final Answer The percentage of students who passed the annual exam is 74%.
Explanation
1. The percentage of students who passed the half-yearly exam is 60%. 2. The percentage of students who failed the half-yearly exam is calculated as 100%−60%=40%. 3. The percentage of students who passed the annual exam from those who passed the half-yearly exam is 70% of 60%, which is calculated as 10070×60%=42%. 4. The percentage of students who passed the annual exam from those who failed the half-yearly exam is 80% of 40%, which is calculated as 10080×40%=32%. 5. The total percentage of students who passed the annual exam is the sum of the percentages from steps 3 and 4, which is 42%+32%=74%. [1] Final Answer The percentage of students who passed the annual exam is 74%.