Question

Select the option that is related to the third number in the same way as the second number is related to the first number. 7 : 42 :: 18 : ?

• A. 304
• B. 302
• C. 308
• D. 306

Answer 1

Answer:

D. 306

7 × (7 - 1) = 7 × 6 = 42. 18 × (18 - 1) = 18 × 17 = 306.