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A survey was conducted on 208 companies that make use of at least one
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10 Jul 2024, 01:09
10 Jul 2024, 01:09
Expert Reply
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Question Stats:
88% (01:46) correct
11% (02:11) wrong based on 9 sessions
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A survey was conducted on 208 companies that make use of at least one of the two facilities to receive calls: the switch mode or the voice call.
It was found that 120 companies use a switch to receive calls while 90 companies use the voice call facility.
It was found that 120 companies use a switch to receive calls while 90 companies use the voice call facility.
Quantity A |
Quantity B |
The number of companies that use the switch mode but not the voice call facility |
88 |
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Shorter GRE - Preparing for the Quantitative Reasoning Measure
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Re: A survey was conducted on 208 companies that make use of at least one
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15 Jul 2024, 04:13
15 Jul 2024, 04:13
Re: A survey was conducted on 208 companies that make use of at least one
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15 Jul 2024, 05:26
15 Jul 2024, 05:26
Expert Reply
Please: see our math handout or math book for more on overlapping sets
Usually on the GRe they are fairly simple
Use the formula
X+Y-Both (the intersection where a company use both systems) + Neither (outside of the intersection)= Total
X+Y-B+0=208 we are looking for both as variable
120+90-B+0=208
B=2
So we need to find X now
120-2=118
A>B
I hope this helps
Usually on the GRe they are fairly simple
Use the formula
X+Y-Both (the intersection where a company use both systems) + Neither (outside of the intersection)= Total
X+Y-B+0=208 we are looking for both as variable
120+90-B+0=208
B=2
So we need to find X now
120-2=118
A>B
I hope this helps
