Question

Which of the following
number is equal to the
number itself when we
multiply by
1,4,7, 9 on
of them)​

Answer 1

Step-by-step explanation:

(11)2=121

(111)2=12321

(111,111,111)2=12345678987654321

Here we can show a pattern for each count of 1 in LHS is extended the number from 1 to that Number and reverse that number to the 1 in RHS