Question 7

In the following question, select the related number from the given alternatives.43 : 7 :: 23 : ?

Solution

The logic here is

4 + 3 = 7

Sum of the digits of the first number is equal to second number.

Similarly, Sum of the digits of the third number is equal to fourth number.

$$\therefore\$$The fourth number = 2 + 3 = 5

Hence, the correct answer is Option D