Question

if a,b,c,d are integers then what 4-digit number abcd satisfies equation 4 x abcd = dcba

Answer 1

Answer:ans is 2178

Step-by-step explanation:

In abcd, a should not equal or greater than 4.

When multiply by 4, a should be even

So a=2

4*2bcd<9999, d should be 8 or 9

(Last digit)4*d=a, 4*2=8

So d should be 2

So 4*abcd=dcba

abcd=2178

Answer 2

Answer:

Step-by-step explanation: plz define it in Hindi pattern... Step by step with long definition