2010-II-12
Ans: D
First, rewrite the sequence as follow:
… Read First, rewrite the sequence as follow:
\begin{equat
HKCEE - 2010 - Paper 2 -
2010-II-13
Ans: A
Let $\$x$ and $\$y$ be the price of a magazine and that o
… Read Let $\$x$ and $\$y$ be the price of a magazine and that o
2010-II-14
Ans: D
The required amount
… Read The required amount
$\begin{array}{cl}
= & \$4
2010-II-15
Ans: B
The total cost of the $10\text{ kg}$ mixture
… Read The total cost of the $10\text{ kg}$ mixture
$\begin{
2010-II-16
Ans: A
Let $z=kxy^2$, where $k$ is a non-zero constant. Let $
… Read Let $z=kxy^2$, where $k$ is a non-zero constant. Let $
2010-II-17
Ans: B
Note that the maximum absolute error of the measureme
… Read Note that the maximum absolute error of the measureme
2010-II-18
Ans: C
Let $V_0$ and $V_1$ be the volume of the cylinder of rad
… Read Let $V_0$ and $V_1$ be the volume of the cylinder of rad
2010-II-19
Ans: C
The base area
… Read The base area
$\begin{array}{cl}
= & 8\times 5 +
2010-II-20
Ans: A
Denote $O$ the centre of the semi-circle and join $OD$
… Read Denote $O$ the centre of the semi-circle and join $OD$
2010-II-21
Ans: B
In $\Delta ABD$,
… Read In $\Delta ABD$,
$\begin{array}{rcl}
\tan \alpha &#
2010-II-22
Ans: D
$\begin{array}{cl}
& \tan \theta + \tan(90^\c
… Read $\begin{array}{cl}
& \tan \theta + \tan(90^\c
2010-II-23
Ans: A
I must be true. The 9 planes of reflection are shown bel
… Read I must be true. The 9 planes of reflection are shown bel
2010-II-24
Ans: B
A is the image rotating the given plane figure anticlo
… Read A is the image rotating the given plane figure anticlo
2010-II-25
Ans: A
$\begin{array}{rcl}
\angle ACD & = & 180^
… Read $\begin{array}{rcl}
\angle ACD & = & 180^
2010-II-26
Ans: C
Let $AM = x\text{ cm}$. Consider $\Delta ABC$, we have
… Read Let $AM = x\text{ cm}$. Consider $\Delta ABC$, we have
2010-II-27
Ans: C
The interior angle of a regular 24-sided polygon
… Read The interior angle of a regular 24-sided polygon
$\be
2010-II-28
Ans: D
Note that $BC$ is the line of intersection of planes $A
… Read Note that $BC$ is the line of intersection of planes $A
2010-II-29
Ans: B
… Read Note that $y+7=0$ is a horizontal line and $R(-4,-3)$
2010-II-30
Ans: C
… Read Note that $\theta = 210^\circ – 180^\circ = 30^
2010-II-31
Ans: D
Note that the slope of the straight line $2x+7y=5$ is $
… Read Note that the slope of the straight line $2x+7y=5$ is $