Mental Ability Puzzle Questions - 1

Ans: 5

In each triangle, the number of the triangle equals the average of the two numbers at the bottom.

Ans: 1,143

Starting with the top 3 digit number, the first digit increases by 2 as you descend from 1 to 11. The middle digit decreases by 1 each time and the right hand digit alternates between 5 and 3.

Ans: 5

In each star, the central number equals the difference between the sum of the even numbers and the sum of the odd numbers from the points of the star.

Ans: 9

The number at the centre of each triangle equals the sum of the lower two numbers minus the top number.

Ans: 9

In each square of the diagram, the sum of the numbers is always 22.