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In survey of 250 Europeans

x509

Intern

Joined: 05 Jul 2018

Posts: 1

In survey of 250 Europeans [#permalink]

05 Jul 2018, 08:15

previously, when i was trying to solve simlar questions, I was making a rectactle something like this

__________|___________|___________|_______
event 1 | | |
----------------------------------------
event 2 | | |
-----------------------------------------
| | |

But i am unable to make this work for the following question

In a survey of 250 european travelers, 93 have traveled to Africa, 155 have traveled to asia and of these two groups, 70 have traveled to both continents

How can i represent this in this table?

Carcass

Verbal Expert

Joined: 18 Apr 2015

Posts: 21031

Re: In survey of 250 Europeans [#permalink]

06 Jul 2018, 10:54

Expert Reply

In this such case, you do not need a diagram but a simple formula.

93 for Africa + 155 for Asia - Neither of both + 70 Both = 250

Then you calculate based on the question asks you.

Regards

pranab223

Retired Moderator

Joined: 20 Apr 2016

Posts: 1307

WE:Engineering (Energy and Utilities)

Re: In survey of 250 Europeans [#permalink]

06 Jul 2018, 11:37

x509 wrote:

Hi,

Can I request you to post the full question - as this will help the forum. Moreover kindly look for the relevant group before posting.
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