Select the option that is related to the fourth number in the same way as the first number is related to the second number and the fifth number is related to the sixth number.
15: 555::? : 221:: 17: 719
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 5.
The logic used here is:
15: 555
5 + 5 + 5 = 15
17: 719
7 + 1 + 9 = 17
Similarly,
? : 221
2 + 2 + 1 = 5
Hence, option 4 is the correct answer.