For questions $5$ through $10$ assume PC sta $=18+00,PC$ elev. $=100\mathrm{.}00,L=18$ stations,

incoming grade $=+2\%,$ outgoing grade $=+4\%$

The low point on the curve is at station

$($a$)18+00$

$($b$)24+00$

$($c$)30+00$

$($d$)36+00$

The low point elevation on the curve is

$($a$)96\mathrm{.}00$

$($b$)100\mathrm{.}00$

$($c$)104\mathrm{.}00$

$($d$)108\mathrm{.}00$

The high point elevation on the curve is

$($a$)100\mathrm{.}00$

$($b$)118\mathrm{.}00$

$($c$)136\mathrm{.}00$

$($d$)154\mathrm{.}00$

The grade at the midpoint of the curve is

$($a$)0\%$

$($b$),+1\%$

$($c$)+2\%$

$($d$)+3\%$

The elevation at the midpoint of the curve is

$($a$)108\mathrm{.}5$

$($b$)112\mathrm{.}5$

$($c$)118\mathrm{.}5$

$($d$)122\mathrm{.}5$

The elevation on the curve at station $27+00$ is

$($a$)108\mathrm{.}5$

$($b$)112\mathrm{.}5$

$($c$)118\mathrm{.}5$

$($d$)122\mathrm{.}5$