Question of the Day (August 17)

Quant

A pool has two water pumps A and B and one drain C. Pump A alone can fill the whole pool in $x$ hours, and pump B alone can fill the whole pool in $y$ hours. The drain can empty the whole pool in $z$ hours, where $z \gt x$ . With pumps A and B both running and the drain C unstopped till the pool is filled, which of the following represents the amount of water in terms of the fraction of the pool which pump A pumped into the pool?

A. $\frac{yz}{x+y+z}$
B. $\frac{yz}{yz+xz-xy}$
C. $\frac{yz}{yz+xz+xy}$
D. $\frac{xyz}{yz+xz-xy}$
E. $\frac{yz+xz-xy}{yz}$

Question Discussion & Explanation

Correct Answer - B - (click and drag your mouse to see the answer)

Verbal

Before its bankruptcy in 2008, Goldman Sachs initially financed Crystal Technologies, an early provider of cloud computing services, but they withdrew the funding only after a comprehensive review of the bankrupt technology company’s balance sheet and intellectual property assets.

A. Goldman Sachs initially financed Crystal Technologies, an early provider of cloud computing services, but they withdrew the funding

B. Crystal Technologies, an early provider of cloud computing services, was initially financed by Goldman Sachs, which withdrew the funding

C. Crystal Technologies, an early provider of cloud computing services, had been initially financed by Goldman Sachs and had its funding withdrawn

D. Goldman Sachs initially financed Crystal Technologies, an early provider of cloud computing services, withdrawing the funding

E. Crystal Technologies, an early provider of cloud computing services, was initially financed by Goldman Sachs and withdrawn

Question Discussion & Explanation

Correct Answer - B - (click and drag your mouse to see the answer)
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Question of the Day (August 17)

Quant

Verbal

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