Multiple choice

Directions: In the following question, there is a certain relationship between two given numbers on one side of (: :) and one number is given on the other side of (: :) while another number is to be found from the given alternatives having the same relationship with this number as the numbers of the given pair bear. Choose the best alternative.

6 : 42 : : 5 : ?

  1. 20

  2. 30

  3. 25

  4. 125

  5. 50

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

This is the correct answer as it follows the correct relationship x : x(x + 1), i.e. x = 6, x(x + 1) = 6 * 7 = 42. So, if x = 5, then x(x + 1) = 5 * 6 = 30.