If $18$ is $30\%$ of a number, then $50\%$ of that number will be:

If the speeds of $\mathrm{car} \mathrm{A}$ and $\mathrm{car} \mathrm{B}$ is in the ratio $4:3$ and the time taken by them to reach at a particular place is $5:8$, so the ratio of the distances will be

If the weight of $6$ persons is $402 \mathrm{kg}$, then the weight of $16$ persons will be:

In a class of $60$ students, $36$ are girls. The percentage of number of boys in the class will be:

Which among the following numbers are in proportion?

Find the ratio of the following in the simplest form.

$117:153$

Find the ratio of the following in the simplest form.

$80:240$

Find the ratio of the following in the simplest form.

$2 \mathrm{hrs} 45 \min \text{to} 1 \mathrm{hr} 15 \min$

Find the ratio of the following in the simplest form.

$1 \mathrm{m} 44 \mathrm{cm} \text{to} 2 \mathrm{m} 40 \mathrm{cm}$