Out of a group of swans `7/2` times the square root of the number are playing on the shore of a tank. The two remaining ones are playing, with amorous fight, in the water. What is the total number of swans?

One fourth of a herd of goats was seen in the forest. Twice the square root of the number in the herd had gone up the hill and the remaining 15 goats were on the bank of the river. Find the total number of goats.

One fourth of a herd of goats was seen in the forest. Twice the square root of the number in the herd had gone up the hill and the remaining 15 goats were on the bank of the river. Find the total number of goats.

One fourth of a herd of camels was seen in the forest. Twice the square root of the herd had gone to mountains and the remaining 15 camels were seen on the bank of a river. Find the total number of camels.

One fourth of a herd of camels was seen in the forest. Twice the square root of the herd had gone to mountains and the remaining 15 camels were seen on the bank of a river. Find the total number of camels.

One - fourth of a herd of deer have gone to the forest. One - third of the total number of deer are grazing in a field and the remaining 15 are drinking water on the bank of a river . Find the total number of deer in the herd.

Out of a number of saras birds, one-fourth of the number are moving about in lotus plants, 1/9th coupled along with 1/4th as well as 7 times the square root of the number move on a hill. 56 birds remain in vakula trees. What is the total number of birds?

Study the bar graph representing the number of persons in various age groups in a town shown in Figure. Observe the bar graph and answer the following questions: What is the percentage of the youngest age-group persons over those in the oldest age group? What is the total population of the town? What is the number of persons in the age-group 60-65? How many persons are more in the age-group 10-15 then in the age group 30-35? What is the age-group of exactly 1200 persons living in the town? What is the total number of persons living in the town in the age-group 50-55? What is the total number of persons living in the town in the age-groups 10-15 and 60-65? Whether the population in general increases, decreases or remains constant with the increase in the age-group.

Half of a herd of deer are grazing in the field and three fourths of the remaining are playing nearby. The rest 9 are drinking water from the pond. Find the number of deer in the herd.

In a game of marbles between Ron and Jacob, at one-point Ron gave Jacob one-third of his marbles to Jacob and Jacob returned one-fourth of his total of marbles to Ron. It was found that the initial ratio of the number of marbles with Ron and Jacob remained the same after this exchange. What is the ratio of the number of marbles with Ron and Jacob?

The number of bacteria in a culture is x now. It becomes square of itself after one week. What will be its number after two weeks?