Select the related number from the given alternatives.
5243:14::4312:?
- A10
- B9
- C7
- D6
Solution & Step-by-step Explanation
The relationship is based on the sum of the digits of the four-digit number:
For 5243:
Sum of digits=5+2+4+3=14
Applying the same logic to 4312:
Sum of digits=4+3+1+2=10
Therefore, the missing number is 10.
For 5243:
Sum of digits=5+2+4+3=14
Applying the same logic to 4312:
Sum of digits=4+3+1+2=10
Therefore, the missing number is 10.