Question

In a coding system, 1357 is coded as 2468. In the same system, how is 2468 coded as ?
1. 3579
2. 9357
3. 3571
4. 1357

Answer 1

Correct Answer - Option 1 : 3579

The logic is:

1357 : 2468

1 + 1 = 2

3 + 1 = 4

5 + 1 = 6

7 + 1 = 8

Similarly,

2468 : ?

2 + 1 = 3

4 + 1 = 5

6 + 1 = 7

8 + 1 = 9

Hence, ‘3579’ is the correct answer.