#### 题目列表

The number of C in set I is what percent greater than the number of C in set II?
Give your answer to the nearest 0.1 percent.
____%
The number of sales covered by 40% region is what percent greater than the number of sales covered by 35% regions?
Give your answer to the nearest 0.1 percent.
______%
x[(y+75)+(15-y)]=900

Quantity A: x*y

Quantity B: 10
$\frac{x+1}{x}$=10

#### Quantity A

$(x+1)^{2}$

#### Quantity B

12

What is the central angle of the region covered by 25%?
-2 < x < 0

#### Quantity A

$x^{3}$+$\frac{1}{x^{3}}$

#### Quantity B

x+$\frac{1}{x}$

Set S contains 7 numbers: 10, 20, 30, x, 50, 60, 70.

#### Quantity A

The mean of the 7 numbers

#### Quantity B

x

2 < x < 5, $\frac{1}{10}$ < y < $\frac{1}{5}$

x+y

#### Quantity B

$\frac{1}{x}$+$\frac{1}{y}$

x+y > y, x-y < x

Quantity A: x

Quantity B: y
a < b < 0

ab

b-a

0 < s < t

6s

#### Quantity B

5t

m, n and p are all larger than 0 but smaller than 1.

m+np

#### Quantity B

(m+n)p

1 < x < 2

Quantity A: $\frac{1}{x}$+$\frac{2}{x}$+ $\frac{3}{x}$

Quantity B: x +$\frac{x}{2}$+ $\frac{x}{3}$
xy < x+y

#### Quantity A

$\frac{1}{x}$ +$\frac{1}{y}$

#### Quantity B

1

0 < x < y < $\frac{1}{2}$, $\frac{1}{2}$ < r < t < 1

(x+y)(r+t)

#### Quantity B

r+t(x+y)

If 2x+y=5, then what is the value of ($9^{x}$)($3^{y}$)?
$a=\frac{x}{x+y+z}$ , $b=\frac{y}{x+y+z}$ , $c=\frac{z}{x+y+z}$

#### Quantity A

The average of a, b and c

#### Quantity B

$\frac{1}{2}$

y=$2^{-r^{2}}$, where r is a positive integer, which of the following could be the value of y?

Indicate all such values.
$r^{3}$-r=r-$r^{3}$

r

#### Quantity B

0

Both m and n are negative integers and m < n

#### Quantity A

7+$10^{m}$

#### Quantity B

5+$10^{n}$

1 2 ... 5 6 7 8 9 10 11 ... 13 14

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