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The following table shows the number of students (Boys and Girls) and the percentage of girls who passed in a 10+2 examination from six different schools (A-F) in the year 2023 and 2024. Based on the data in the table, answer the questions that follow.

School-wise Details of Students Passing in a 10+2 examination

School2023 Number of Passed Students2023 Percentage of Passed Girls2024 Number of Passed Students2024 Percentage of Passed Girls
A50046%55044%
B60042%64040%
C65056%56045%
D72060%80048%
E60054%84055%
F65050%75036%

What is the average number of boys who passed in the 10+2 examination in the year 2024 from all the six schools (A-F) together?

A376
B377
C378
D379 ✓ Correct
Correct answer: (D) 379
Explanation

Boys passed equals total passed multiplied by the share of boys, which is one minus the girls percentage. For 2024: A 550 times 0.56 is 308, B 640 times 0.60 is 384, C 560 times 0.55 is 308, D 800 times 0.52 is 416, E 840 times 0.45 is 378, F 750 times 0.64 is 480. Their total is 2274, and dividing by 6 gives 379.

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