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20 Apr 2020, 06:30
Kudos
Bookmarks
B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
85%
(hard)
Question Stats:
54% (02:50) correct
46%
(02:47)
wrong
based on 149
sessions
History
Date
Time
Result
Not Attempted Yet
In the correctly-performed addition above, each letter represents a different non-zero digit. What is the value of C?
A) 1
B) 2
C) 3
D) 4
E) 5
ArunSharma12
Joined: 25 Oct 2015
Last visit: 20 Jul 2022
Posts: 512
Given Kudos: 74
Location: India
Schools: IIML-IPMX '22 (A)
GMAT 1: 650 Q48 V31
GMAT 2: 720 Q49 V38 (Online)
GPA: 4
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20 Apr 2020, 07:51
Kudos
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BrentGMATPrepNow
from first column
B = A + 1
from the third column (C+B+A = _A); max value can be 24 but then unit digit will not match thus total value is less than 20.
from the second column
9< B + A < 20
possible pairs for A,B are (5,6),(6,7),(7,8),(8,9).
A + B + 1 = 10 + A
B =9
A,B = 8,9
and C = 2.
Ans: B
