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The ratio of boys to girls is 9:11. If total students are 80, number of girls is:
  1. 36
  2. 40
  3. 44
  4. 48
Explanation

Ratio boys : girls = 9 : 11
Total students = 80

Total parts = 9 + 11 = 20

Each part = 80 ÷ 20 = 4

Girls = 11 parts:

Related MCQs

What is a ratio?
تناسب کیا ہے؟
  1. The sum of two quantities
  2. The comparison of two quantities
  3. The difference between two quantities
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
In the Mathematics department of a certain university, the student teacher ratio was 20:1. It was decided to increase the number of students and teachers by 50% and 10% respectively. The new student to teacher ratio is?
  1. 30:1
  2. 300:11
  3. 25:1
  4. None of these
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The ratio of male and female students in a class is 27:23. If the difference between the number of male and female students is 200, then the number of female students is?
  1. 1150
  2. 1350
  3. 1550
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
In a random sample of 80 records, 12 are incomplete. Using the sample proportion, how many incomplete records would be expected among 600 similar records?
  1. 88
  2. 90
  3. 92
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
What is the lowest form of the ratio 24:36?
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