2011-II-44
Ans: C
Let $a$ and $d$ be the first term and the common differe
… Read Let $a$ and $d$ be the first term and the common differe
HKCEE - 2011
2011-II-45
Ans: C
Let $a$ and $r$ be the first term and the common ratio of
… Read Let $a$ and $r$ be the first term and the common ratio of
2011-II-46
Ans: D
Refer to the graph of $y=\cos x^\circ$, the given grap
… Read Refer to the graph of $y=\cos x^\circ$, the given grap
2011-II-47
Ans: A
By Heron’s formula, we have
… Read By Heron’s formula, we have
$\begin{array}{r
2011-II-48
Ans: D
Since $AE//BD$, then
… Read Since $AE//BD$, then
$\begin{array}{rcl}
\angle FA
2011-II-49
Ans: C
Join $AC$.
… Read Join $AC$.
Since $DA$ is the tangent to the circle at $A
2011-II-50
Ans: B
Consider $\Delta BFG$,
… Read Consider $\Delta BFG$,
$\begin{array}{rcl}
\tan y &
2011-II-51
Ans: B
Since the centre of $C$ lies on the $y$-axis and $C$ tou
… Read Since the centre of $C$ lies on the $y$-axis and $C$ tou
2011-II-52
Ans: C
The required probability
… Read The required probability
$\begin{array}{cl}
=
2011-II-53
Ans: A
I is one of the disadvantages. Only 4 people are select
… Read I is one of the disadvantages. Only 4 people are select
2011-II-54
Ans: B
I may be false. Suppose the mark of the students in Grou
… Read I may be false. Suppose the mark of the students in Grou