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GATE 2021 CS – Question 1

General Aptitude · Quantitative Aptitude: Arithmetic and Number Computation · 1 mark · Multiple choice

The ratio of boys to girls in a class is 7 to 3. Among the options below, an acceptable value for the total number of students in the class is:

  1. 21
  2. 37
  3. 50
  4. 73

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Show answer and explanation

Correct answer: (C) 50

Explanation

Total must be a multiple of 7+3=10. Only 50 qualifies.