GMAT Question of the Day (February 18)

Math

In what proportion should a 30%-solution and a 3%-solution be mixed to obtain a 12%-solution?

A. 1:3
B. 1:2
C. 2:3
D. 3:4
E. 4:5

Question Discussion & Explanation

Verbal

For nearly a millennium, Silk Road tradesmen on cross-continental voyages across the harsh Taklimakan Desert navigated to remote oases known only by memory and oral tradition acquired the water necessary for the journey by filling a large leather bladder with several gallons of water, then allow it to sit in the water for at least thirty minutes, and let the bladder expand to over 4 times its original size.

Ⓐ then allow it to sit in the water for at least thirty minutes, and let
Ⓑ then allow them to sit in the water for at least thirty minutes, and let
Ⓒ allowing it to sit in the water for at least thirty minutes, and letting
Ⓓ allowing them to sit in the water for at least thirty minutes, and let
Ⓔ allowing it to sit in the water for at least thirty minutes, and let

Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)

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