Sample Questions for the virtual space

Question 1

88 children took part in a swimming competition. 1/3 of the boys and 3/7 of the girls wore swimming goggles. Altogether, 34 children wore swimming goggles. How many girls wore swimming goggles on that day?

Question 2

The ratio of the number of ducks to the number of chickens was 9 : 5. When 20 ducks and 22 chickens were added, the birds were distributed into groups of 7. In each group, there were 4 ducks. Find the number of birds at first.