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Question
Out of the fractions 3/5, 7/9, 4/7, 2/3 and 5/8 what is the difference between the largest and smallest fractions ?
Options:
A .  8/63
B .  19/63
C .  11/63
D .  17/63
E .  None of these
Answer: Option E


3/5 = 0.6;   7/9 = 0.78;

4/7 = 0.57; 2/3 = 0.67;

5/8 = 0.625


Required difference = 7/9 - 4/7 = (49-36)/63  = 13/63



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