A Web Press Prints 5 Pages Every 2 Seconds GMAT Problem Solving

Question: A web press prints 5 pages every 2 seconds. At this rate, how many pages will the press print in 7 minutes?

1. 350
2. 540
3. 700
4. 950
5. 1050

Answer:

Approach Solution (1):

In 2 seconds, pages printed by web press = 5 pages

In 1 second, pages printed by web press = \(\frac{5}{2}pages\)

In 7 * 60 seconds, pages printed by web press = \(\frac{5}{2}*7*60pages\)

Hence main answer = 1050 pages

Correct option: E

Approach Solution (2):

We will use the formula to solve this question:

\(\frac{5 pages}{2 seconds}*\frac{30}{30}=\frac{150 pages}{60 seconds}*\frac{60 seconds}{1 minute}*7 minutes=1050\)

Correct option: E

Approach Solution (3):

Firstly, we will convert minutes to seconds.

So, 7 minutes = 7 * 60 seconds = 420 seconds

Rate is 5 pages / 2 seconds so \(\frac{420}{2}=210\)

We have 210 periods of 2 seconds available.

Remember that 2 seconds = 5 pages

210 (number of 2s periods in 7 minutes) * 5 (number of pages in 2s) = 1050

Correct option: E

“A web press prints 5 pages every 2 seconds. At this rate, how many pages will the press print in 7 minutes?”- is a topic of the GMAT Quantitative reasoning section of GMAT. This question has been taken from the book “GMAT Official Guide Quantitative Review”. To solve GMAT Problem Solving questions a student must have knowledge about a good amount of qualitative skills. The GMAT Quant topic in the problem-solving part requires calculative mathematical problems that should be solved with proper mathematical knowledge.

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