Multiple choice

Directions: There is some relationship between the two pairs of numbers on the left of the sign (::). The same relationship exists between the two terms on its right, of which one is missing. Find the missing one from the given alternatives.

3/5 : 16 :: 7/25 : ____

  1. 548

  2. 236

  3. 576

  4. 248

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The sequence is a/b : (b2 – a2). The missing number is (25)2 – (7)2 = 625 – 49 = 576.