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AdityaHongunti
Posts: 533
Updated on: 01 Feb 2023, 13:48
Originally posted by AdityaHongunti on 23 Nov 2018, 22:31.
Last edited by Bunuel on 01 Feb 2023, 13:48, edited 2 times in total.
Last edited by Bunuel on 01 Feb 2023, 13:48, edited 2 times in total.
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
54% (01:02) correct
46%
(01:09)
wrong
based on 184
sessions
History
Date
Time
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What are the values of integers a, b and c ?
(1) ab = 8
(2) bc = 9
Posted from my mobile device
(1) ab = 8
(2) bc = 9
Posted from my mobile device
24 Nov 2018, 01:27
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St:-1
Ab=8
Value of A:1,2,4,8 then value of b will be 8,4,2,1
Or
Value of A:-1,-2,-4,-8 then value of b will be -8,-4,-2,-1
Value of C not known.. Not sufficient
St-2
Bc=9
Value of B:1,3,9then value of C will be 9,3,1
Or
Value of B:-1,-3,-9 then value of b will be -9,-3,-1
Value of A not known.. Not sufficient
Combine value of B can be -1,or +1
For B +1 value of A can be 8 and C can be 9
For B -1 value of A can be -8 and C can be -9
Not sufficient
E should be the answer
Ab=8
Value of A:1,2,4,8 then value of b will be 8,4,2,1
Or
Value of A:-1,-2,-4,-8 then value of b will be -8,-4,-2,-1
Value of C not known.. Not sufficient
St-2
Bc=9
Value of B:1,3,9then value of C will be 9,3,1
Or
Value of B:-1,-3,-9 then value of b will be -9,-3,-1
Value of A not known.. Not sufficient
Combine value of B can be -1,or +1
For B +1 value of A can be 8 and C can be 9
For B -1 value of A can be -8 and C can be -9
Not sufficient
E should be the answer
10 Mar 2020, 08:49
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Considering ab/bc =8/9 , b can be anything as long as ratio is 8:9 , except 0 as the ratio wouldn’t stand . Hence answer is E because value of b is required
Posted from my mobile device
Posted from my mobile device
