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question mark

three distinct single digit numbers A,B,C are in GP. If abs(x) for real x is the absolute value of x(x if x is +ve or zero, -x if x is -ve), then the number of different possible values of abs(A+B-C) is:
1) 5
2) 4
3) 6
4) 3

Nitin Singhal , 10 Years ago
Grade 12th pass
anser 1 Answers
Gayathri

Last Activity: 10 Years ago

(1,2,4)(2,4,8)(1,3,9)(9,3,1)(4,2,1)(8,4,2) so 6 possible ways substitute the considered vales in a,b,c we get ans as -1,-2,-5,11,5,10. so 6 is the answer
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