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?

Out of a group of swans, 7/2 times the square root of the number are swimming in the pool while the two remaining are playing outside the pool. What is the total number of swans?

The square of one-sixth of the number of students in a class are studying in the library and the remaining eight students are playing in the ground. What is the total number of students of the class ?

One-fourth of a herd of cows is in the forest. Twice the square root of the herd has gone to mountains and he remaining 15 are on the banks of a river. The total number of cows is

One-fourth of a herd of cows is in the forest. Twice the square root of the herd has gone to mountains and the remaining 15 are on the banks of a river. The total number of cows is :

Out of total of 120 musicians in a club, 5% can play all the three instruments-guitar, violin and flute. It so happens that the number of musicians who can play any two and only two of the above instruments is 30. The number of musicians who can play the guitar alone is 40. What is the total number of those who can play violin or flute alone ?

Half of a herd of deer are grazing in the field and three fourth of the remaining are playing near by. If the remaining 9 are drinking water from a pond, then the difference between the number of deer who are grazing and those who are playing is a multiple of.

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