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04 Nov 2015, 19:13
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B
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QUANT 4-PACK SERIES Problem Solving Pack 3 Question 4 Two printing presses begin printing...
Two printing presses begin printing currency at the same time and at constant speeds. Press F produces 5-dollar bills at the rate of 1,000 bills per minute. Press T produces 20-dollar bills at the rate of 200 bills per minute. Once the machines have begun printing, how many seconds does it take for Press F to produce 50 dollars more currency than Press T?
A) 2
B) 3
C) 4
D) 5
E) 6
48 Hour Window Answer & Explanation Window
Earn KUDOS! Post your answer and explanation.
OA, and explanation will be posted after the 48 hour window closes.
This question is part of the Quant 4-Pack series
Scroll Down For Official Explanation
Two printing presses begin printing currency at the same time and at constant speeds. Press F produces 5-dollar bills at the rate of 1,000 bills per minute. Press T produces 20-dollar bills at the rate of 200 bills per minute. Once the machines have begun printing, how many seconds does it take for Press F to produce 50 dollars more currency than Press T?
A) 2
B) 3
C) 4
D) 5
E) 6
48 Hour Window Answer & Explanation Window
Earn KUDOS! Post your answer and explanation.
OA, and explanation will be posted after the 48 hour window closes.
This question is part of the Quant 4-Pack series
Scroll Down For Official Explanation
04 Nov 2015, 20:49
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EMPOWERgmatRichC
Press F produces $5 bills @1000 per minute(60 sec) so $500 in 6 secs
Press T produces $20 bills 200 per minute(60 sec) so $400 in 6 secs..
so we can see F produces $ 100 in 6 secs or will print $50 in 3 secs..
ans 3 secs..
B
05 Nov 2015, 01:49
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Forget conventional ways of solving math questions. In PS, IVY approach is the easiest and quickest way to find the answer.
Two printing presses begin printing currency at the same time and at constant speeds. Press F produces 5-dollar bills at the rate of 1,000 bills per minute. Press T produces 20-dollar bills at the rate of 200 bills per minute. Once the machines have begun printing, how many seconds does it take for Press F to produce 50 dollars more currency than Press T?
A) 2
B) 3
C) 4
D) 5
E) 6
For t minutes Press F produces 5*1000*t dollars, and Press T produces 20*200*t dollars.
So 5000t – 4000t should be 50(i.e. 1000t=50). ---> t= 5/100(minute).
So it takes (5/100)*60(seconds)(=3 seconds)
The answer is, therefore, (B).
Two printing presses begin printing currency at the same time and at constant speeds. Press F produces 5-dollar bills at the rate of 1,000 bills per minute. Press T produces 20-dollar bills at the rate of 200 bills per minute. Once the machines have begun printing, how many seconds does it take for Press F to produce 50 dollars more currency than Press T?
A) 2
B) 3
C) 4
D) 5
E) 6
For t minutes Press F produces 5*1000*t dollars, and Press T produces 20*200*t dollars.
So 5000t – 4000t should be 50(i.e. 1000t=50). ---> t= 5/100(minute).
So it takes (5/100)*60(seconds)(=3 seconds)
The answer is, therefore, (B).
