Algebra – Geometry 

The perimeter of an equilateral triangle exceeds the perimeter of a square by 1989 cm. The length of each side of the triangle exceeds the length of each side of the square by d cm. The square has perimeter greater than zero. How many positive integers are not possible values for d?

See our previous ‘Questions of the Day’: 

Quant Question Of The Day: 163
Quant Question Of The Day: 162