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Question

Study the given table and answer the question that follows.
InstitutionGirlsBoysTeachers
School30002500690
College9000110001500
University15000160002000

What is the ratio of college teachers to school girls?

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
$1 : 2$

Finding the Ratio of College Teachers to School Girls

This solution explains how to calculate the specific ratio requested using the data provided in the table.

Data Extraction

First, identify the relevant numbers from the table:

  • Number of College Teachers: 1500
  • Number of School Girls: 3000

Ratio Calculation

The question asks for the ratio of college teachers to school girls. To find this, we set up a fraction with college teachers in the numerator and school girls in the denominator.

The ratio is calculated as:

$ \text{Ratio} = \frac{\text{Number of College Teachers}}{\text{Number of School Girls}} $

Substitute the values from the table:

$ \text{Ratio} = \frac{1500}{3000} $

Simplify the fraction by dividing both the numerator and the denominator by their greatest common divisor, which is 1500:

$ \text{Ratio} = \frac{1500 \div 1500}{3000 \div 1500} = \frac{1}{2} $

Thus, the simplified ratio is 1 : 2.

Conclusion

The calculated ratio of college teachers to school girls is 1 : 2.

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