# Test: Formulae - Normal

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Question 1:   Find the value of $k$ in the formula: $t=ak$, if $t=3$, $a=9$
$k=27$
$k=3$
$k=\frac{1}{3}$
$k=\frac{1}{6}$
Question 2:   Find the value of $n$ in the following formula: $n=pq$, if $p=7$, $q=-4$
$n=3$
$n=-28$
$n=-\frac{7}{4}$
$n=-26$
Question 3:   Find the value of $v$ in the following formula: $t=\frac{s}{v}+5$, if $s=10$, $t=7$
$v=10$
$v=5$
$v=6\frac{3}{7}$
$v=12$
Question 4:   Rearrange the formula $p=q+r$ to make $r$ a subject
$r=p-q$
$r=\frac{p}{q}$
$r=p+q$
$r=\frac{q}{p}$
Question 5:   Rearrange the formula: $y=\frac{x}{3}$ to make $x$ a subject
$x=y+3$
$x=3y$
$x=\frac{1}{3}y$
$x=y-3$
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