S K Khanuja Solutions for Chapter: Ratio and Proportion, Exercise 3: Exercise 29

Which one is greater out of $(2:3)$ and$(4 :7)$ $?$

If $₹420$ is divided between$\mathrm{A}$ and $\mathrm{B}$ in the ratio $3:4$, then $\mathrm{A}\text{'}\mathrm{s}$ share is

What least number must be added to each term of the ratio $7:13$to make the ratio $2:3$ ?

What least number must be subtracted from each term of the ratio$15:19$to make the ratio $3:4$?

The boys and girls in a school are in the ratio $8:5$. If the number of girls is $160$, what is the total strength of the school ?

If $x:8::5:4$, then the value of $x$ is 

The third proportional to $9$and $12$ is 

The mean proportional between$9$and $16$ is