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 group of people claim they are creative, twice the square root of the group claim to be caring and the remaining 15 claim they are optimistic . Find the total number of people in the group. (a) How many persons in the group are creative ? (b) According to you which one of the above three values is more important for development of a society ?

What is the square root of 3 + 2 sqrt2, given that it is a square number ?

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.

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 ?