47 : 11 :: 85 : ____
Correct answer C. 13
Explanation
The second number is the sum of the digits of the first: 4 + 7 = 11. For 85, the digit sum is 8 + 5 = 13.
Answer checked How we write and check questions
Correct answer C. 13
The second number is the sum of the digits of the first: 4 + 7 = 11. For 85, the digit sum is 8 + 5 = 13.
Answer checked How we write and check questions
Tip: press A, B, C or D to answer, and N for the next question.
Discussion