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In a school, ratio of boy students and girl students is 5 : 2. If the number of boy students is 450 more than the girl students, how many students are there in the school ?
  • a)
    750
  • b)
    950
  • c)
    1050
  • d)
    None of these
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
In a school, ratio of boy students and girl students is 5 : 2. If the ...
Let the number of boy students in the school be 5x and that of girl-students is 2x.
Then, 5x – 2x = 450 ⇒ x = 150
∴ Number of total students = 5x + 2x = 7 × 150 = 1050
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