- A(b)
- B(a)
- C(c)
- D(d)
Step-by-Step Solution
The order is reversed (7 4 9 1 from left to right) and every digit is turned round: the 7's stem is on the left, the 4 and the 9 open the other way and the flag of the 1 points right: (b). (a) only reverses the order, (c) only turns the digits and (d) is upside down as well.
Answer: A) (b)