Multiple choice

Directions: Choose the odd numeral pair/group in the following question.

  1. 50 : 6

  2. 28 : 4

  3. 65 : 7

  4. 37 : 5
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Analyzing the pairs: 50=7²+1 with 6=7-1, 65=8²+1 with 7=8-1, 37=6²+1 with 5=6-1. However, 28=5²+3 with 4=5-1. The pair 28:4 doesn't follow the 'n²+1 : n-1' pattern that the other three pairs follow, making it the odd one out.

Keep practicing — related questions