Conventional Approach VS Our Revolutionary Approach

(PS Questions)

Given that three machines A, B, and C can produce one job of widgets in 2 hours, 3 hours and 5 hours respectively, if three of the machines work on the single job, what is the contribution of the fastest machine?

A. 15/31
B. 10/31
C. 6/31
D. 30/31
E. 31/30

Conventional Solution
Math Revolution Approach

(Quantitative Comparison Questions)

If x + y = 10 and xy = 5

Quantity A Quantity B
x x - y


A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal.
D. The relationship cannot be determined from the information given.


Conventional Solution
Math Revolution Approach