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If k is a two-digit number that is both a square of an integer and the
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16 Sep 2022, 03:06
16 Sep 2022, 03:06
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Question Stats:
80% (01:48) correct
20% (00:47) wrong based on 5 sessions
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If k is a two-digit number that is both a square of an integer and the cube of an integer, what is the value of \(\sqrt{k}-\sqrt[3]{k}\)?
(A) 2
(B) 4
(C) 8
(D) 16
(E) 64
(A) 2
(B) 4
(C) 8
(D) 16
(E) 64
Part of the project: GRE QCQ & PS 3 Questions Every One DAILY Challenge - (2022) - Gain 20 Kudos & Get FREE Access to GRE Prep Club TESTS
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
If k is a two-digit number that is both a square of an integer and the
[#permalink]
16 Sep 2022, 05:06
16 Sep 2022, 05:06
1
(A) 2
(B) 4
(C) 8
(D) 16
(E) 64
so k is x^2=_ _ and y^3=_ _ i am not sure if theres any logic for these but the only two digit number that is a cube of an integer and also square of another integer is 64
so root k-cube root k=root 64-cube root of 64=8-4=4
so B
(B) 4
(C) 8
(D) 16
(E) 64
so k is x^2=_ _ and y^3=_ _ i am not sure if theres any logic for these but the only two digit number that is a cube of an integer and also square of another integer is 64
so root k-cube root k=root 64-cube root of 64=8-4=4
so B
gmatclubot
If k is a two-digit number that is both a square of an integer and the [#permalink]
16 Sep 2022, 05:06
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