Solve the following:

$900000-46938=$

Fill in the blank.

$700000-299999=$_____

Solve the following word problem:

John wants to buy a house which costs ₹$825000$. He has ₹$439200$ in his bank account. How much more money does he require to buy the house?

In a refugee camp, there were $2,39,460$, people, $2,23,560$, blankets were distributed. How many people did not get blankets?

Choose the correct options.

$225000-5000=$

Choose the correct options.

$84321-19670$

Choose the correct options.

$167832-16941$

Choose the correct options.

$$\begin{gathered} \begin{array}{cccccc}8& 4& 9& 6& 3& 2\\ -1& 6& 9& 7& 3& 2\end{array} \\ \_\_\_\_\_\_\_\_\_\_\_\_\_\_ \end{gathered}$$