Select the option that is related to the third number in the same way as the second number is related to the first number:
17 : 152 : : 21 : ?
Answer & explanation
Correct answer: option 2
n : (n + 2) × 8
17 + 2 ⇒ 19 × 8 = 152
21 : (21 + 2) × 8 = 23 × 8 = 184
So correct answer is (b).