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A two-digit number has tens' digit t and units' digit v. A three-digit
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18 May 2022, 01:00
18 May 2022, 01:00
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Question Stats:
70% (01:34) correct
30% (01:57) wrong based on 10 sessions
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A two-digit number has tens' digit t and units' digit v. A three-digit number is formed by placing the digit m to the right of the two-digit number. If the three-digit number is subtracted from ten times the two-digit number, the resulting number can be represented by
(A) 10t - m
(B)10t+v+m
(C) 10t + m
(D) -m
(E) 100t - m
(A) 10t - m
(B)10t+v+m
(C) 10t + m
(D) -m
(E) 100t - m
Part of the project: Skill Builder Project for a Q170
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
Re: A two-digit number has tens' digit t and units' digit v. A three-digit
[#permalink]
18 May 2022, 01:37
18 May 2022, 01:37
1
The two digit number tv = 10t + v
The three digit number is tvm
i.e. 100t + 10v + m
According to the question
10tv - tvm = ?
10 ( 10t + v ) - ( 100t + 10v + m )
=100t + 10v - 100t - 10v - m
= -m
So, Option D.
The three digit number is tvm
i.e. 100t + 10v + m
According to the question
10tv - tvm = ?
10 ( 10t + v ) - ( 100t + 10v + m )
=100t + 10v - 100t - 10v - m
= -m
So, Option D.
gmatclubot
Re: A two-digit number has tens' digit t and units' digit v. A three-digit [#permalink]
18 May 2022, 01:37
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