1.

In a certain coding system, 'Read this book' is coded as '689', 'This book is useful' is coded as '9675', 'Useful book is good' is coded as '5479'. What is the code for 'This book is good' in this system ?

A. 8495
B. 6457
C. 4965
D. 7859
Answer» D. 7859


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