In what other ways can Tesla be wriiten?

A mason has made a concrete slab .He needs it to be rectangular . In what different ways can he make sure that it is rectangular ?

What is sewage? In which way, sewage can be treated?

In what way we can help in providing food to many people?

Define Sewage. In which way can sewage be harmful to us ?

A tea party is arranged for 16 persons along two sides of a long table with 8 chairs on each side. Four persons wish to sit on one particular and two on the other side. In how many ways can they be seated?

You are given three capacitors each of capacitance 9muF . In how many ways can they be combined? What will be the effective capacitance in each case?

What is sewage? In which way can this be harmful?

Eight children are to be seated on a bench. In how many ways can the children be seated ?

In how many ways can 8 students be seated in : a line ?