Question

aman's age is three times his son age ten years ago he was five times his son`s age find their present ages​

Answer 1

Answer:

A set which contains a single element is called a singleton set. Example: There is only one apple in a basket of grapes. Finite set. A set which consists of a definite number of elements is called a finite set. Example: A set of natural numbers up to 10. A = {1,2,3,4,5,6,7,8,9,10} Infinite set A set which is not finite is called an infinite set.