2023-II-29
Ans: C
… Read Note that the upper quartile of the distribution is th
HKDSE-MATH
2023-II-30
Ans: A
… Read The mean salary
$\begin{array}{cl}
= & \dfrac{
2023-II-31
Ans: B
… Read $\begin{array}{cl}
& 1011001011001011_2 \\
=
2023-II-32
Ans: D
… Read Among the three expressions, the highest powers of $a
2023-II-33
Ans: A
… Read By the intercepts form of equation of straight line, w
2023-II-34
Ans: B
… Read $\begin{array}{cl}
& \dfrac{i}{k-i}+\dfrac
2023-II-35
Ans: D
… Read Rewrite the function of the graph to vertex form, we ha
2023-II-36
Ans: B
… Read Let $a$ and $d$ be the first term and the common differe
2023-II-37
Ans: D
… Read Consider the simultaneous equations
$\left\{ \begi
2023-II-38
Ans: C
… Read Join $P$ and $R$.
Since $SU$ and $ST$ are tangent to the
2023-II-39
Ans: A
… Read Note that $(1,0)$ lies on $hx+ky=6$, we have
$\begin{
2023-II-40
Ans: A
… Read Add a point $X$ on $VB$ such that $AX\perp VB$ and $CX\p
2023-II-41
Ans: C
… Read Sketch a graph according to the question. In the sketc
2023-II-42
Ans: B
… Read The required number
$\begin{array}{cl}
= & C^{
2023-II-43
Ans: C
… Read The required probability
$\begin{array}{cl}
=
2023-II-44
Ans: D
… Read Let $\mu$ and $\sigma$ be the mean and the standard dev
2023-II-45
Ans: A
… Read I must be true. If we add $9n$ to each of the data of the gr