No idea as to how to approach this one

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No idea as to how to approach this one

by coolhabhi » Sun Apr 15, 2012 12:34 pm
The seven letters correspond to seven unique digits chosen from 0 to 9. The relation among the digits is such that:
P.Q.R = X.Y.Z = Q.A.Y

Q55. The value of A is:
A. 0
B. 2
C. 3
D. 6
E. None of the above

Q56. The sum of the digits which are not used is:
A. 8
B. 10
C. 14
D. 15
E. None of the above
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by killer1387 » Sun Apr 15, 2012 6:35 pm
coolhabhi wrote:The seven letters correspond to seven unique digits chosen from 0 to 9. The relation among the digits is such that:
P.Q.R = X.Y.Z = Q.A.Y

Q55. The value of A is:
A. 0
B. 2
C. 3
D. 6
E. None of the above

Q56. The sum of the digits which are not used is:
A. 8
B. 10
C. 14
D. 15
E. None of the above
we wont be using 0,5 and 7 because to satisfy the product condition these three cant be used.
rest can be solved by hit and trial,

55: 2 (B)
56: 12 (E)