Question

Select the number-pair in which the two numbers are related in the same way as are the two numbers of the following number-pair. 16 ∶ 224

• A. 17 ∶ 289
• B. 22 ∶ 440
• C. 25 ∶ 650
• D. 20 ∶ 400

Answer 1

Answer:

B. 22 ∶ 440

16 ⇒ (16)^2 - (16 × 2) = 256 - 32 ⇒ 224 Similarly, 22 ⇒ (22)^2 - (22 × 2) = 484 - 44 ⇒ 440