Question

Since the early 20th century, aptitude tests have been used to measure abilities, talents, and reasoning School conducts aptitude tosts to measure the potential ability to leam. This test is essential for both boys and girls. Due to this reason a school conducts an aptitude test of higher level 35 boys and 85 girls are appeared in the test. The mean marks of boys was found to be 40%, whereas the mean marks of girls was 60%. Determine the average marks percentage of the school​

Answer 1

the average marks percentage of the school​ = 54.17 %

Step-by-step explanation:

Mean marks of boys = 40%,

Mean marks of girls = 60%.

Number of boys appeared in test = 35

Number of Girls appeared in Test  = 85

Total appeared  = 35 + 85  = 120

the average marks percentage of the school​ = (boys Mean Marks* number of Boys +  Girls mean marks * number of girls)/( number of boys + Girls)

= (40 * 35  + 60 * 85)/120

= ( 1400 + 5100)/120

= 6500/12

= 54.17 %

the average marks percentage of the school​ = 54.17 %

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