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If x is a positive number less than 10, which of the following is leas
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02 Nov 2018, 03:00
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If x is a positive number less than 10, which of the following is least?
(A) x - 20
(B) x
(C) 0
(D) -x
(E) 20 – x
(A) x - 20
(B) x
(C) 0
(D) -x
(E) 20 – x
Re: If x is a positive number less than 10, which of the following is leas
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02 Nov 2018, 03:07
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pushpitkc wrote:
If x is a positive number less than 10, which of the following is least?
(A) x - 20
(B) x
(C) 0
(D) -x
(E) 20 – x
(A) x - 20
(B) x
(C) 0
(D) -x
(E) 20 – x
to find the least number maximize the number less than 10 , let x be 9
9-20 = -11
9
0
-9
20-9=11
IMO A
Re: If x is a positive number less than 10, which of the following is leas
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04 Nov 2018, 03:40
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Kudos
pushpitkc wrote:
If x is a positive number less than 10, which of the following is least?
(A) x - 20
(B) x
(C) 0
(D) -x
(E) 20 – x
(A) x - 20
(B) x
(C) 0
(D) -x
(E) 20 – x
x is positive number less than 10
let x be 9(max value)
Option A gives the least value.