Write the digits of the following numbers in the proper places and arrange them in ascending (smaller to bigger) order.

$4213673, 4072315, 8984261, 8528371$

Write the digits of the following numbers in the proper places and arrange them in descending (bigger to smaller) order.

$3,74,35,729; 2,91,35,120; 3,60,59,144; 3,09,45,638$

Add the numbers:

$\begin{array}{ccccccccc}& & 5& 7& 9& 2& 3& 8& 1\\ +& & 2& 0& 3& 2& 5& 7& 9\\ +& & 2& 1& 6& 7& 8& 3& 0\\ +& & & & 3& 5& 6& 2& 1\\ & & & & & & & & \end{array}$

Add the numbers:

$\begin{array}{ccccccccc}& 2& 5& 6& 7& 9& 2& 1& 3\\ +& & & 1& 2& 3& 5& 6& 9\\ & & & & & & & & \end{array}$

My friend Rabeya's father has a furniture shop in Andul. I often visit their shop with Rabeya. This time I found many people working in their shop. Rabeya's father has got orders from $7$ schools, to make chairs, tables and almirahs. From each school he got orders for $10$ chairs, $10$ tables and $10$ almirahs for keeping books.

Total cost of $10$ chairs, $10$ tables and $10$ almirahs is $₹11,42,575$.
Find what is the total amount (in $₹$) of order Rabeya's father has got from $7$ schools.

My friend Rabeya's father has a furniture shop in Andul. I often visit their shop with Rabeya. This time I found many people working in their shop.

Last year Rabeya's father had sold $217$ almirahs for $₹1,00,43,845$. Find cost of one almirah.

$30439872÷516=$_____

_____ $\times 32=75285600$