Quant 2nd Edition – PS Questions 31-40



Question 31 – “If positive integers….”

If x and y are both not odd, then at least one of them is even.   You could then recnize that an even times another integer is always even.


Question 32 – “On 3 sales John….”

OG Explanation is sufficient

Question 33 – “The annual budget…”

OG Explanation is sufficient.

Question 34 – “During a two week period…”

OG Explanation is fine.   Alternatively, you could just pick numbers.   For simplicity, set x = $100, End of First Week $125.   End of Second week $100 (i.e. $25 is 20% of $125).

Question 35 – “In a certain pond, 50….”

OG Explanation is mediocre.   Alternative:   2 is 4% of 50.  50 is 4% of what number?  (in equations this is 50 = .04(x)     Multiply 50 by 100/4 or 25 to get 1250.

Question 36 –

OG Explanation is fine.  Square Root of 32 simplifies into 4 root 2.

Question 37 – “An automobile’s gasoline mileage…”

OG Explanation is sufficient.

Question 38 – “The organizers of a fair…”

Alternatively, you could pick numbers.   Last year attendance = 100, Projected = 125,   Actual = 80    80/125 = 16/25 = 64/100 = 64%

Question 39 – “What is the ratio of…”

OG Explanation is fine.   Alternatively, compare ¾ to 12/4.   Since the denominator is the same, ignore it and notice that 3 is one-fourth 12.

Question 40 – “If 3-x….”

OG Explanation is fine.

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