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Question
If one-nineth of a certain number exceeds its one-tenth by 4, the number is
Options:
A .  440
B .  400
C .  360
D .  320
Answer: Option C
Answer: (c)Let the number be x. According to the question$x/9 - x/10$ = 4 ${10x – 9x}/90$ = 4 x = 90 × 4 = 360

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