Correct Answer - B
`(b)` Five people can be divided into three groups in `(1,1,3)` or `(1,2,2)` ways
Hence, total number of ways
`=(5!)/(3!(1!)^(2))xx(1)/(2!)+(5!)/((2!)^(2)1!)xx(1)/(2!)`
`=10+15=25`
1. Operators are used to doing arithmetic and logical operations.
2. Operators that require one operand is called as Unary operator.
3. Operators that require two operands are called Binary operators.
4. Arithmetic...