Question

Can you please give me the step by step solution for this? ​

Answer 1

Answer:

ABCD*4 = DCBA implies A must be less than 3 since A is at 1000s place and 3*4 = 12, which makes the given number a five digit number. Thus A can be 1 or 2. Since DCBA is a multiple of 4 it implies that A must be even and hence A is 2

Step-by-step explanation:

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