top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

What is the expected ratio of boys and girls in the country?

0 votes
224 views

In a country, all families want a boy. They keep having babies till a boy is born. What is the expected ratio of boys and girls in the country?

posted Jul 24, 2017 by Ankana Guchait

Looking for solution? Promote on:
Facebook Share Button Twitter Share Button LinkedIn Share Button




Similar Puzzles
0 votes

School A has boys to girls in the ratio 5:6 and school B has girls to boys in the ratio 8:7.
If the number of students in school A is at least twice as many as the number of students in school B, what is the minimum percentage of boys when both schools are considered together?

+1 vote

In a school there are 650 students. The ratio of the boys to that of the girls is 8:5. How many more girls should join the school so that the ratio becomes 4:3

0 votes

6 boys and 8 men get a total wage of Rs. 8000 in 4 days.
8 boys and 6 men get a total of Rs. 6000 in 3 days.
What will be the efficiency ratio of a boy and a man respectively?

–2 votes

The ratio of present ages of Ram and Shyam is 4:3. If 10 years ago Ram was half of Shyam in age, what is the sum of their present ages?

...