题目

0<a<b

Quantity A

a% of

Quantity B

b% of

选项

A.

Quantity A is greater.  


B.

Quantity B is greater.  


C.

The two quantities are equal.  


D.

The relationship cannot be determined from the information given.


解析

a% of 1/b =( a/100)(1/b) = a/(100b) b% of 1/a =( b/100)(1/a) = b/(100a) 因此,我们有: A项:a/(100b) B项:b/(100a) 将两项同时乘以100b,得到: A项:a B项:b^2/a 再将两项同时乘以 a ,得到: A项:a^2 B项:b^2 已知0 < a < b,因此0 < a^2 < b^2 答案: B
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