The board displayed in a shop showing the price of each item is called list.

A and B started a business by investing $Rs. 18000$ and $Rs. 24000$ respectively. At the end of $4$th month from the start of the business, C joins with $Rs. 15000$. At the end of $8$th month B quits at which time C invests $Rs. 3000$ more. At the end of $10$th month B rejoins with the same investment. If profit at the end of the year is $Rs. 12005$, what is B's share of profit?

$P, Q$ and $R$ invested in a partnership deed $Rs.2,00,000, Rs.4,00,000$and $Rs.3,00,000$ respectively. After $4$ months $P$invested additional $Rs.2,00,000$ and $R$ invested $Rs.1,00,000$. The profit for the year is $Rs.6,60,000$. Find the share of each partner in the profit.

Different articles available in a shop are given along with cost. Observe them and answer the question.

What is the cost of a Mixer? 

Different articles available in a shop are given along with cost. Observe them and answer the question.

 What is the cost of a calculator? (Write the final answer only in number without rupee symbol)

Different articles available in a shop are given along with cost. Observe them and answer the question.

What is the cost of a mobile set?

A school purchases some furniture and gets the following bill.

Questions:

$\left(\mathrm{i}\right)$ What is the name of the store?

$\left(\mathrm{ii}\right)$ What is the serial number of the bill?

$\left(\mathrm{iii}\right)$ What is the cost of a black board?

$\left(\mathrm{iv}\right)$ How many sets of benches and desks does the school buy?

$\left(\mathrm{v}\right)$ Verify whether the total bill amount is correct.

Observe the Receipt given below and answer the below question.

What is the name of the customer?_____