6 : 222 :: 7 : ?

336Correct answerYour answer343Correct answerYour answer350Correct answerYour answer392Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer C

Correct answer: C

222 is close to $6^3 = 216$ , and $222 = 216 + 6$ : cube the number and add the number itself.
$7^3 + 7 = 343 + 7 = 350$ .

Worth noting

343 forgets to add 7, and 336 subtracts it. 392 is $7^3 + 7^2$ , adding the square instead of the number.

Ten questions from Analogies and Classification, at your own pace.

Ten questions from Analogies and Classification, at your own pace.

Explanation