Ratio

Jo leaves home at $5$ past $8$ in the morning. This can also be written as:

If$₹800$ when divided in the ratio of $3:5$ is $₹ k \text{and} ₹ m$, then the value of $k+m$ is

The ratio of $8$ hours to $2$ days is:

By showing that ratio does not have unit, find the ratio of $40\text{cm to }1.5\text{m}$.

Distances travelled by Hari and Abhi in an hour are $3$ km and $6$ km. Find the ratio of speed of Hari to the speed of Abhi by showing that ratio does not have unit.

If $a, b, c, d$ are in continued proportion, then $\left(a^2-b^2\right)\left(c^2-d^2\right)=$

If $\frac{x+y}{ax+by}=\frac{y+z}{ay+bz}=\frac{z+x}{az+bx} \& \left(x+y+z\right)\ne 0$, then each ratio is equal to $\frac{k}{a+b}$, where the value of $k=$_____.

In the ratio $12:15$ which one is antecedent?

There are $\mathrm{b}$ boys and $\mathrm{g}$ girls in a class. The ratio of the number of boys to the total number of students in the class is

_____$:90=2:3$.

A fraction greater than $\sqrt{2}$ and less than $\sqrt{3}$ is 

Rafi has $16$ red marbles and $4$ blue marbles. Find the ratio of red marbles to blue marbles Rafi has?

Two numbers are in the ratio $5:6$. If the sum of the numbers is $132$, find the two numbers.