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15 Oct 2022, 08:09
Kudos
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
82% (00:43) correct
18%
(00:48)
wrong
based on 198
sessions
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Did the population of Country S increase by less than 20 percent from 1965 to 1975 ?
(1) The population of Country S in 1965 was 180 million.
(2) The population of Country S in 1975 was 1.17 times what it was in 1965.
(1) The population of Country S in 1965 was 180 million.
(2) The population of Country S in 1975 was 1.17 times what it was in 1965.
04 Mar 2023, 02:25
Kudos
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let population in 1965 be x
population in 1975 be y
here we need to find whether
y<1.2x
statement 1
The population of Country S in 1965 was 180 million
gives us only x
not sufficient
statement 2
The population of Country S in 1975 was 1.17 times what it was in 1965.
y=1.17x
that s less than 1.2x
therefore sufficient
option B correct
population in 1975 be y
here we need to find whether
y<1.2x
statement 1
The population of Country S in 1965 was 180 million
gives us only x
not sufficient
statement 2
The population of Country S in 1975 was 1.17 times what it was in 1965.
y=1.17x
that s less than 1.2x
therefore sufficient
option B correct
10 Jan 2025, 20:58
Kudos
Bookmarks
Did the population of Country S increase by less than 20 percent from 1965 to 1975 ?
(1) The population of Country S in 1965 was 180 million.
(2) The population of Country S in 1975 was 1.17 times what it was in 1965
let population in 1965 be 'x' and in 1975 be 'y'
1. x=180million. Insufficient because we don't have information about 1975 population.
2. y=1.17x. Insufficient because we don't have information about 1965 population.
1. and 2. combined are sufficient because we have enough information to figure out the percent increase in the population.
(1) The population of Country S in 1965 was 180 million.
(2) The population of Country S in 1975 was 1.17 times what it was in 1965
let population in 1965 be 'x' and in 1975 be 'y'
1. x=180million. Insufficient because we don't have information about 1975 population.
2. y=1.17x. Insufficient because we don't have information about 1965 population.
1. and 2. combined are sufficient because we have enough information to figure out the percent increase in the population.
