In C when a variable is passed to a function by value, its value remains unchanged in the calling program.
	When a variable is passed by value , a new copy of that variable gets created in the called function and hence the value of the variable in calling program remains unchanged.

	In C++ overloaded functions can have same return types.
	Yes overloaded functions can have same return types. Overloaded Functions are always differentiated on the basis of : 1. No of Arguments 2. Type of Arguments 3. Order of Arguments.

	A man has Rs. 1500, a part of which he lends at 7% and the rest at 5%. The annual interest from both the investments in Rs. 91. How much has he invested at 5%?
	He has to invest Rs. 700

	Both (*ptr++ ? str) and (*ptr? str++) are equivalent.
	False