2. In a class of 40 students, each of 35 had either wrist watch or eye glass, 25 had wrist watches and 20 had eye glasses. How may had; i. Both wrist watch and eye glasses ii. Eye glass only iii. Neither wrist watch nor eye glasses​

3. what is the output of the following statements? temporary object1; temporary object2("rectangle", 8.5, 5); temporary object3("circle", 6, 0); temporary object4("cylinder", 6, 3.5); cout < < fixed < < showpoint < < setprecision(2); object1.print(); object2.print(); object3.print(); object4.print(); object1.set("sphere", 4.5, 0); object1.print();