Jagat Jitendra Matto Solutions for Chapter: Ratio and Proportion, Exercise 4: EXERCISE 9.3

Verify that the following numbers are in proportion:

$5,8,10,16$

Verify that the following numbers are in proportion:

$10,12,5,6$

Find the value of $P$ from the following proportions:

$7:P :: 35:45$

Find the value of $P$ from the following proportions:

$\text{P}:8 :: 27:72$

Find the value of $P$ from the following proportions:

$3:\text{P} :: 21:77$

Find the value of $\text{P}$ from the following proportions:

$\text{P}:9 :: 30:54$

The ratio of the income to the expenditure of a family is $8: 5$. Find the savings, if the income is $₹48000$.

The ratio of the income of a person to savings is $15: 2$. If his savings of one year is $₹7500$, what is his monthly income?