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Zorluk: KolayMissing Data Interpretation

The following table shows the number of students who appeared, passed, and failed in an annual examination across four different schools. Some data entries are missing and represented by a dash (--).

SchoolTotal StudentsPassed StudentsFailed Students
School A500350--
School B600--150
School C500400100
School D400280--

What is the total number of students who passed the examination across all four schools combined?

  1. 1480Cevap
  2. B
    1330
  3. C
    2000
  4. D
    520

Cevap

1480
The total number of students who passed across all four schools is obtained by first calculating the missing entry for School B (600 Total−150 Failed=450 Passed600 \text{ Total} - 150 \text{ Failed} = 450 \text{ Passed}) and then adding the passed student figures of all schools (350+450+400+280=1480350 + 450 + 400 + 280 = 1480).

Adım Adım Çözüm

1
Find the missing number of passed students for School B
Passed students in School B = 600−150=450600 - 150 = 450
Total students is the sum of passed and failed students.
2
Sum the passed students across all four schools
Total passed students = 350+450+400+280=1480350 + 450 + 400 + 280 = 1480
To find the combined total, add the passed student count of each individual school.

Anahtar Kavram

Missing Data Deduction and Summation
Tahmini Süre:45s
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Konular

Missing Data Interpretation

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