Answer:
"The sum of two six digit number need not be a seven digit number".
Explanation:
The following statement: " The sum of two six-digit number is a seven digit number" is a false statement.
The example which contradict this statement is :
let us consider first number as: 123005
second number is: 124603
the sum of two numbers is:
123005+124603=247608
which is also a six digit number and not a seven digit number.
Hence, the given statement is wrong.
"The sum of two six digit number need not be a seven digit number".