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