Write the following ratios in both ascending and descending order.

$5:8, 8:11, 11:12$.

Ram earns $₹ 80,000$ in a month. He saves $₹ 20,000$ per month. Find the ratio of saving and earning.

Ram earns $₹80,000$ in a month. He saves $₹20,000$ per month. Find the ratio of the following.

Expense and earning.

Ram earns $₹80,000$ in a month. He saves $₹20,000$ per month. Find the ratio of the following.

Saving and expense.

Check whether the following numbers are in proportion or not.

$4, 8, 16, 32$

Check whether the following numbers are in proportion or not.

$9, 18, 20, 52$

Check whether the following numbers are in proportion or not.

$5, 25 , 6, 30$